부산대학교 도서관

Aanyu, Dorothy; Abima, John; Abullarade, Janne; Agarwal, Priyanka; Ahluwalia, Surabhi; Akasiima, Simon Africa; Akello, Carolyne Agwau; Albert, Samuel; Alphale, Motsamai; Alphonse, Calins; Apeduno, Lucy; Aranda, Sara; Aridor, Orly; Arnolds, Shakeera; Asiimwe, Prossy; Atujuna, Millicent; Atwebembere, Didas; Baboolall, Lakshmi; Badana, Kiran; Baeten, Jared M.; Balamusani, David; Balán, Iván C.; Banda, Gabriel; Banda, Towera Whitney; Baugh, Jennifer; Baziira, James Amos; Beamer, May; Bebeza, Sivuyisiwe Asanda; Bekker, Linda-Gail; Bell, Ian; Bemer, Meagan; Berman, Richard; Berthiaume, Jennifer; Bezak, Linda; Bhagwandin, Yashveer; Bhayat, Hassen Anwar; Bhengu, Nokulunga; Bhengu, Sonto; Bhoola, Aruna; Biira, Florence Asiimwe; Bittoni, Daniel; Black, Roberta; Blose, Nombuso Jacqueline; Boks, Pearl; Bolton, Stephen Gordon; Botya, Phathiswa; Brown, Amanda; Brown, Elizabeth; Brown, Helen; Bruce, Robyn Helen; Bukenya, Luke Erismus; Bukirwa, Aidah; Bunge, Katherine; Bunts, Lisa; Buthelezi, Fezile; Buthelezi, Mbongeleni William; Buthelezi, Samkelisiwe Dumisile; Byogero, Rose; Byroo, Samiksha; Byuma, Robert; Carstens, Johanna Albertha; Carter, Allison; Cassim, Nazneen; Cebekhulu, Busisiwe; Cele, Bongekile; Cele, Dolly Judith; Cele, Phindile; Cele, Simangele; Cele, Sithabile; Chadza, Mary; Chakhtoura, Nahida; Chapdu, Claire; Chareka, Gift Tafadzwa; Chasakara, Charles; Chatani-Gada, Manju; Chetty, Diana; Chidanyika, Mary; Chifambi, Tafadzwa Tariro Lisa; Chihota, Emelder; Chikono, Sungano; Chikonyora, Anesu; Chikukwa, Brett Dzidzai; Chin, Craig; Chindevu, Mary; Chinula, Lameck; Chinyanda, Tendai Blessing; Chirenda, Thandiwe Hilda; Chirenje, Zvavahera Mike; Chirisa, Chiedza; Chisale, Patience; Chishanga, Angela; Chitambo, Tobias; Chitema, Fred; Chithila, Flora; Chitowa, Tinei Helen; Chitsinde, Catherine; Chitsulo, Gladys; Chitukuta, Miria; Chiveso, Spiwe; Chome, Nelecy; Chonco, Phumelele Fortune; Christopher, Emily; Chunderduri, Kerusha; Cibi, Vutomi; Cleland, Naana; Coba, Thobeka; Cobbing, Mandy Rae; Collins, Clare; Comer, Kim; Cozzi, Shameen; Crida, Danielle; Dadabhai, Sufia; Daki, Thembakazi; Danster, Nwabisa; Dassaye, Reshmi; David, Renita; Davis, Jontraye M.; Dawood, Sumaya; Deb, Pallabi; Degnam, Leslie; Derrick, Tiffany Sharron; Devlin, Bríd Teresa; Dezzutti, Charlene; Dhlakama, Patricia Mae; Dias, Lorna; Dimairo, Jean Chivoniso; Dinnie, Elaine; Dlabanta, Avile; Dladla, Msizi; Dladla, Thandeka Immaculate; Dlungele, Andile Princess; Dolezal, Curtis; Donaty, Kristine; Dott, Clare; Dubbs, Jenna; Dubula-Majola, Vuyiseka; Dukwe, Pamella; Duma, Cebo Ivan; Duma, Portia Ignatia Makhosazana; Duma, Promise; Duncan, Vimbai Kudzanai; Duran, Luis; Dyabeni, Lindelwa; Edwards, Andrew; Etikala, Radhika; Etima, Juliane; Fairlie, Lee; Fischer, Henry; Fitzpatrick, Jacqueline; Fleurs, Llewellyn; Fowler, Mary Glenn; Freeman, Lester; Gaffoor, Zakir; Gama, Lizzy; Garcia, Morgan; Garg, Anita; Gatsi, Vanesa Margret; Gcwensa, Clifford; Gebashe, Emmanuel Lwandile; Geduld, Samantha; Gelant, Jennipher; Germuga, Donna; Ggita, Joseph; Giguere, Rebecca; Godo, Lucy; Goetz, B. Jay; Gogo, Litha; Goliati, Esther; Gondwe, Daniel Kondwani; Gordon, Kelley C.; Goreraza, Rodney; Gounden, Jayandree; Govender, Dhevium; Govender, Justin Sivalingum; Govender, Nerusha; Govender, Subramonien; Govender, Vaneshree; Gqwara, Nonkululeko Nosipho; Gravelle, Anisa (Tracy); Guga, Phindile; Guma, Victor; Gumede, Delisile Zilungile; Gumede, Sibusiso; Gumede, Thembelihle; Gumede, Thobeka Winifred; Gundani, Orgrah; Gunnam, Ravi; Gupta, Rahul; Gwande, Mirriam; Gxako, Xolani; Hall, Kim; Hall, Wayne; Hargrave, Perry; Harkoo, Ishana; Harrell, Tanya; Heaps, Amy L.; Hendricks, Simone Lara; Hendrix, Craig W.; Hlabisa, Bongeka; Hlabisa, Lungile Bongeka; Hlahla, Kudzai; Hlela, Thulebona Martin; Hobongwana, Thandiwe; Horn, Eva; Howard, Ridley; Huang, Haixiao; Hunidzairia, Portia; Hurbans, Nivriti; Husnik, Marla; Hwehwe, Tendai Doreen; Imamdin, Rabia; Ismail, Amina; Jacobs, Ebrahiema; Jacobson, Cindy; Jacques, Ashleigh Catherine; Jamabya, Jane; James, Grace; Janse van Rensburg, Karla; Jaya, Ziningi Nobuhle; Jeenarain, Nitesha; Jennings, Lauren; Jiang, Haoping; Jiang, Ning; Jiao, Yuqing; Jijana, Nwabisa Laurianne; Jokoniya, Godfrey; Jones, Judith; Kabasonga, Mildred; Kabenge, Daniel Kizza; Kabwigu, Samuel; Kachale, Evans; Kachenjera, Lonely; Kachingamire, Fiona; Kachipapa, Emma; Kadiwa, Mary; Kadyamusuma, McLoddy; Kafufu, Bosco; Kagwa, Mary Mukasa; Kajura-Manyindo, Clare; Kakayi, Brenda Catherine; Kaliwo, Victoria; Kalonji, Dishiki Jenny; Kamanga, Nyasha Elizabeth; Kamira, Betty; Kampangire, Zerif; Kamwana, Getrude; Kamya, Justine; Kapa, La-Donna; Karugaba, Patrick; Kasambara, Khumbo; Kassim, Priya; Kassim, Sheetal; Katana, Milly; Katongole, Francis; Katongole, Sulaiman; Katsis, Alexis; Katumbi, Chaplain; Katz, Ariana W.K.; Kawanje, Edmore; Kawuma, Caroline Nassozi; Kayongo, Sowedi; Kekana, Emily; Kemigisha, Doreen; Khanyile, Siphosihle; Khanyisile, Nombuso Happiness; Khaya, Babalwa; Khiya, Noluthando; Khoza, Norah Ntombikayise; Khumalo, Thembisile; Khwela, Christina; Khwela, Zamo; Kibiribiri, Edith; Kibirige, Ismael; Kiiza, Beatrice; Kikonyogo, Florence Sempa; Kin, Melissa; Kirkwood, Catherine; Kistnasami, Girisha; Kiweewa, Flavia Matovu; Kiweewa, Max; Konatham, Deepika; Kubheka, Lungile; Kufakunesu, Terrence; Kumwenda, Phaleda; Kumwenda, Wiza Wisdom Isaac; Kush, Maura; Kutner, Bryan A.; Kwatsha, Ntomboxolo; Kwedza, Rosper; Kyomukama, Erinah; Lands, Debra; Langa, Phumelele Nokuthula; Lebeta, Kalkidan; Lentz, Cody; Leremi, Brendley Tebogo; Leszczewski, Michelle; Levy, Lisa; Livant, Edward; Livant, Ted; Lukas, Irene; Mabanga, Lungile Pearl; Mabaso, Nomusa; Machisa, Vimbainashe; Maddox, Toni M.; Madlala, Bernadette; Magobiane, Nocwaka; Magolela, Melda; Maguramhinga, Fungai; Magwaza, Phumzile Desiree; Maharaj, Keshnee; Mahed, Ferial; Mahlase, Tankiso Vuyiswa; Maila, Moshukutjoane Lebogang; Makala, Yvonne; Makamure, Patrick; Makanani, Bonus; Makgoka, Kgabo Phineas; Makhamba, Pamela; Makhanya, Nompumelelo; Makondo, Rulani; Makoni, Rujeko; Makooka, Henry; Makunganya, Jennie; Makwenda, Sibongile; Malan, Gakiema; Malemia, Agnes; Malherbe, Mariette; Malunga, Faith; Mamba Nhassengo, Temantfulini; Mampa, Mogau; Mamvura, Tendai Karen; Manengamambo, Elmah; Mangove, Loreen Zandile; Mangxilana, Nomvuyo Thelma; Manjera, Tsungai Patience; Mans, Winifred Elizabeth; Mansoor, Leila; Maoko, Memory; Mapfunde, Annie; Maphumulo, Nonhlanhla Yvonne; Martinson, Francis E.A.; Maruwo, Abel; Marx, Emmerentia Yvonne; Marzinke, Mark A.; Masango, Moira; Mashego, Mmathabo Nnana; Mashinini, Gwendoline Thotele Refilwe; Masuko, Shingirayi Irene; Matambanadzo, Kudzai Viviana; Mathebula, Florence Tintswalo; Mathipa, Matheus; Matsa, Jacob Munyaradzi; Matta, Eleanor Agnes; Matubu, Allen Taguma; Mavundla, Ayanda Comfort; Mavundla, Sandile; Mawindo, Billy; Mayani, Josiah; Mayanja, Emmanuel; Mayekiso, Nombongo; Mayisela, Nonkululeko Precious; Mayo, Ashley J.; Mbabali, Mary Speciosa; Mbanjwa, Nonhlakanipho Masibonge Gciniwe; Mbatha, Constance Seanokeng; Mbatha, Nomcedo Janice; Mbewe, Dorica; Mbichila, Tinkhani; Mbilizi, Yamikani Rose; Mbokazi, Sithokoza; Mbwerera, Mwandifitsa; Mchunu, Zethu; McKinstry, Laura; Mdlongwa, Bongiwe; Mellors, John W.; Meyiwa, Sihle Perfect; Mgodi, Nyaradzo Mavis; Mhizha, Erasmus Samuel; Mhlanga, Felix; Mhlanga, Nomsa Sibongile; Mirembe, Brenda Gail; Mirembe, Dorothy; Mkandawire, Fumbani; Mkhabela, Ntombizethu Hazel; Mkhize, Baningi; Mkhize, Princess Hlengiwe; Mkhize, Zaba; Mlangeni, Elizabeth Gugu; Mlingo, Margaret; Mngqebisa, Bukiwe; Mngxekeza, Noluxolo; Mninzi, Anele; Mnqonywa, Nonzwakazi; Mogkoro, Mammekwa; Mogodiri, Thembisile Wilmah; Mohuba, Rebone Frengelina; Mokoena, Maseponki Cecilia; Mona, Noxolo; Montoya, Deidra; Monyethabeng, Willie; Moodley, Jayajothi; Moodley, Jeeva; Moodley, Kerushini; Moonsamy, Suri; Morar, Neetha Shagan; Morudu, Sophie Nomsa; Mpekula, Angela; Mphisa, Gerald Thsepo; Mpofu, Jayne; Mposula, Hlengiwe Theodora; Mqadi, Avril; Msiska, Emmie; Msumba, Lusungu; Mtambo, Nana; Mthalane, Emmanuel Sinothi; Mthembu, Thabisile Susan; Mthethi, Zanoxolo; Mthethwa, Magdeline Judith; Mthethwa, Ntokozo Zabathethwa; Mthimkhulu, Sicelo Samuel; Mtlokoa, Itsepheng; Mubiru, Michael Charles; Mudavanhu, Mary; Mufumisi, Anna Zvirevo; Mugagga, Agnes Mary; Muganga, Joanita; Mugava, Michelle; Mugenyi, Margaret; Mugocha, Caroline; Mugodhi, Faith; Mugwagwa, Norma; Muhlanga, Felix Godwin Sivhukile; Mukaka, Shorai; Mukasa, Dick; Mukasa, Restituta; Mukatipa, Mathews; Mukova, Shedina; Mulebeke, Sarah; Mulima, Joyce; Muller, Julio; Mulumba, Faith; Mupamombe, Tsitsi; Murandu, Constance; Murefu, Tarisai; Murewa, Fungai; Muringayi, Kudakwashe; Murombedzi, Caroline; Musara, Petina; Musisi, Jane Nsubuga; Musisi, Mary Maria; Musoke, Philippa; Mutebo, Joseph; Mutero, Prisca; Mutiti, Kudzai Santana; Mutizira, Shadreck; Mutsvunguma, Sharon; Muungani, Netsai; Muvunzi, Tariro; Muwawu, Rosemary; Mvelase, Samkelisiwe; Mvinjelwa, Priscilla Pamela; Mvuyane, Goodness Zoh; Mwafulirwa, Liness; Mwagomba, Pokiwe; Mwakhwawa, Thoko Gift; Mwebaza, Deborah; Mwenda, Wezi Longwe; Myeni, Nqobile; Mzolo, Angeline Doreen Nonhlanhla; Nabatanzi, Regina Bukenya; Nabisere, Joselyne; Nabukeera, Josephine; Nagawa, Christine Valerie; Naicker, Cherise; Naicker, Kumari; Naicker, Vimla; Naidoo, Ishana; Naidoo, Jason; Naidoo, Jayganthie; Naidoo, Kalendri; Naidoo, Logashvari; Naidoo, Renissa; Naidoo, Sandy; Naidu, Nalini; Nair, Gonasagrie Lulu; Nakabiito, Clemensia; Nakacwa, Susan; Nakakande, Joyce Gladys; Nakalega, Rita; Nakalema, Maria Gorreti; Nakibuka, Jesca; Nakyanzi, Teopista; Nakyeyune, Justine; Nalusiba, Stella; Namakula, Rhoda; Namalueso, Felix; Namayanja, Paula Mubiru; Nampala, Christine Tapuwa; Nampiira, Suzan Nkalubo; Namuddu, Agnes; Nandundu, Norah; Nansamba, Winnie; Nanyonga, Stella; Nanziri, Sophie Clare; Nassoma, Zainab Nakivumbi; Ncube, Duduzile Ethel; Ncube, Eva; Ncube, Sithabile; Ndadziyira, Pepukayi; Ndamase, Pamella Pumla; Nderecha, Walter Seth Taurayi; Ndhlovu-Forde, Zanele; Ndimande, Thembelihle Cynthia; Ndlovu, Bukekile; Ndlovu, Grecenia; Ndlovu, James; Ndlovu, Nontokozo Happiness; Ndlovu, Thakisile Nontokozo; Ndlovu, Zodwa; Ndovie, Margret; Nel, Annalene; Nemasango, Beauty; Neradilek, Blazej; Ngani, Susan; Ngcebethsha, Nokwanda Queeneth; Ngcobela, Lizbon; Ngcobo, Nolwazi; Ngcobo, Nompumelelo; Ngcobo, Sindisiwe Promise; Ngcukana, Nidleka; Ngo, Julie; Ngqabe, Nontshukumo; Ngqame, Siyabonga; Ngubane, Mduduzi Dawood; Ngure, Kenneth; Ngwenya, Nancy Nokuthula; Nhkoma, Mugowe; Nhlapho, Bongiwe Ntombizodwa; Nhleko, Sibusiso; Nkwanyana, Hlengiwe; Noble, Heather; Nobula, Lumka Lucia; Nolan, Monica; Nompondwana, Mluleki; Notshokovu, Busiwe; Ntanzi, Vukani Sandile; Nursaye, Nishi; Nutall, Jeremy Peter; Nyabadza, Omega; Nyaka, Evelesi; Nyakudya, Sandra; Nyakura, Envioletta Chiedza; Nyamadzawo, Shingayi; Nyamuzihwa, Tsitsi; Nyanzi, Zubayiri; Nyathi, Angel Tinny; Nyirenda, Fadire; Nyirenda, Makandwe; Nyirenda, Mary; Nzama, Sinqobile Charity; Nzuza, Lamec Sbongisomi; O'Byrne, Bhavesha; Okello, Fabian; Okumu, Eunice; Oluka, Emmanuel; Onen, Francis; Onyango, Carolyne Peris; Ostbye, Katherine; Padayachee, Kerusha; Palanee-Phillips, Thesla; Palichina, Victor; Pan, Zhenyu; Pappajohn, Colin; Paramanund, Levanya; Parikh, Urvi M.; Patterson, Karen; Pearce, Nazmie; Peda, Melissa; Penrose, Kerri J.; Phahlamohlaka, Bathandekile Molly; Phidane, Nokulunga Ruth; Pillay, Omisha; Premrajh, Anamika; Prosad, Nikita; Rabe, Lorna; Rajman, Alishka; Ramjee, Gita; Rampai, Keneoe Maphuti; Rampyapedi, Hlalifi Sylvia; Randhawa, April; Rasmeni, Sabelo; Rausch, Dianne; Reddy, Avanita; Reddy, Isayum; Reddy, Jerusha; Reddy, Krishnaveni; Rees, Vera Helen; Repetto, Andrea; Richards, Cheryl; Riddler, Sharon; Rini, Nobubele; Roeber, Brendon; Rohan, Lisa; Romer, Zachary; Rose, Matthew; Rosenberg, Zeda Fran; Rossi, Lisa; Ruch, Aviva; Rullo, Christine; Runeyi, Sinazo; Rupemba, Olivia; Rushwaya, Chenai; Russell, Marisa; Ruzive, Patience Sharai; Rwanzogyera, Godfrey; Saava, Margaret Nakato; Sagela, Tshepo Jimmy; Sakwa, Rebecca; Sayed, Fathima; Scheckter, Rachel; Schille, Jennifer; Scotch, Nokwayintombi; Scott, William; Scoville, Caitlin; Sebagala, Richard; Sebastian, Elaine; Sedze, Natasha Tina; Seedat, Nasreen Hoosen; Semakula, Joseph; Senn, Teri; Serugo, Francis; Seyama, Linly; Shabalala, Bhekanani Khumulani; Shangase, Charlotte Phumzile; Shanhinga, Pamela Caroline; Shaver, Jeremy; Shen, Hanjie; Shogole, Mogobalale Corlett; Shonhiwa, Rachel; Shozi, Claudia; Sibanda, Marvelous; Sibeko, Sylvia Sibongile; Sibisi, Ncamisile Teressa; Sibisi, Samuel Siphelele; Sibiya, Brighty Zweni; Sibiya, Happiness; Sichali, Dorothy; Sikosana, Phumzile Yvonne; Silva, Craig; Simelane, Ayanda Purity; Simon, Melissa; Sing, Triesha; Singh, Devika; Singh, Nishanta; Sithole, Hailey Virginia; Sitima, Edith; Siva, Samantha; Siyasiya, Alex; Sizane, Vuyane; Siziba, Bekezela; Slezinger, Edward; Smolinski, Daria; Snapinn, Katie; Sogoni, Olwethu; Soko, Dean; Solai, Leonard Nichiren; Somga, Mandiphumle; Song, Mei; Song, Xiaoling; Soobryan, Devarani; Soto-Torres, Lydia; Spence, Patrick Lawrence; Spooner, Elizabeth; Sseguya, Vincent; Ssentongo, Augustine; Ssenyonga, Mark; Sseremba, Lawrence Lollian; Stais, Michael; Steytler, John; Stockton, Sharon; Stofel, Julie; Stuurman, Tinyiko Reginah; Sukazi, Sizakele; Sukdao, Jasmin Lynn; Swarna, Kranthi; Szydlo, Daniel; Tagliaferri Rael, Christine; Taguta, Dorothy Rumbidzai; Taha, Taha; Tahuringana, Eunice; Tamale, Joshua; Tambama, Penelope; Taulo, Edna; Taulo, Frank; Tauya, Thelma Tonderai; Tegha, Gerald; Tembe, Sindisiwe Lucia; Tembo, Tchangani; Thatelo, Constance Lebo; Thobela, Pinky Mery; Thom, Annie; Thompson, Christine; Thompson, Monica; Thusi, Linda; Tock, Lauri; Tofile, Thandokazi; Torjesen, Kristine; Tranfaglia, Carol; Tseng, Jenny; Tshabalala, Themba; Tshongoyi, Nomvuselelo; Tsidya, Mercy; Tsikiwa, Wendy Rufaro; Tuswa-Haynes, NoCamagu; Tutshana, Bomkazi Onini; Twala, Andile Premrose; Udith, Ashvir Viren; Unten, Christine; van der Straten, Ariane; van Niekerk, Neliette; Varela, Amanda; Vatsha, Nangamso; Vijayendran, Gayathri; Vuma, Amukelani California; Wabwire, Deo Ogema; Walani, Madalo; Wanda, Bhekisisa; Wasberg, Lisa; White, Rhonda R.; Windle, Kathleen Marie; Woeber, Kubashni; Wright, Danica; Wright, Tiffanee; Xaba, Thembalethu Nontokozo; Yambira, Makanaka Jean Savie; Yola, Ntando; Zaca, Sindisiwe Lydia; Zalwango, Aisha; Zemanek, Jullian; Zimba, Chifundo; Zinyengere, Tsitsi; Zinyongo, Margaret; Zondi, Thabile Goodness; Zou, Chun; Zuma, Jabulisile; Zungu, Nokuthula Princess; Zungu, Nompumelelo; Baeten, Jared M ; Mgodi, Nyaradzo M ; Mayo, Ashley J ; Szydlo, Daniel W ; Gati Mirembe, Brenda ; Hunidzarira, Portia ; Mansoor, Leila E ; Nair, Gonasagrie ; Parikh, Urvi M ; Mellors, John W ; Balán, Iván C ; Hendrix, Craig W ; Chirenje, Zvavahera M ; Taha, Taha E ; Rosenberg, Zeda ; Soto-Torres, Lydia E ; Hillier, Sharon L ; Brown, Elizabeth R

In The Lancet HIV February 2021 8(2):e87-e95

Stranix-Chibanda, L.; Nematadzira, T.G.; Anderson, P.L.; Ibrahim, M.E.; Yager, J.; Kacanek, D.; Huang, S.; Hosek, S.; Taulo, F.; Korutaro, V.; Nakabiito, C.; Masenya, M.; Lypen, K.; Brown, E.; Wiesner, L.; Johnston, B.; Amico, K.R.; Rooney, J.F.; Chakhtoura, N.; Spiegel, H.M.L.; Chi, B.H.; Chanaiwa, V.; Maonera, S.; Mungate, L.; Mambiya, S.K.; Mnemba, A.; Chithila, F.; Nakabuye, P.; Kisekka, M.N.; Ndyanabangi, V.; Mirembe, B.G.; Ssemambo, P.K.; Ssekasi, A.M.; Horne, E.; Sibisi, S.; Grab, J.

In: Clinical Infectious Diseases. (Clinical Infectious Diseases, 1 October 2021, 73(7):E1893-E1900)

Corey L; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Gilbert PB; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Juraska M; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Montefiori DC; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Morris L; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Karuna ST; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Edupuganti S; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Mgodi NM; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; deCamp AC; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Rudnicki E; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Huang Y; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Gonzales P; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Cabello R; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Orrell C; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Lama JR; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Laher F; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Lazarus EM; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Sanchez J; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Frank I; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Hinojosa J; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Sobieszczyk ME; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Marshall KE; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Mukwekwerere PG; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Makhema J; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Baden LR; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Mullins JI; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Williamson C; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Hural J; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; McElrath MJ; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Bentley C; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Takuva S; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Gomez Lorenzo MM; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Burns DN; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Espy N; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Randhawa AK; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Kochar N; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Piwowar-Manning E; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Donnell DJ; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Sista N; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Andrew P; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Kublin JG; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Gray G; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Ledgerwood JE; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Mascola JR; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.; Cohen MS; From the Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center (L.C., P.B.G., M.J., S.T.K., A.C.C., E.R., Y.H., K.E.M., J. Hural, M.J.M.E., C.B., S.T., N.E., A.K.R., N.K., D.J.D., J.G.K., G.G.), and the Departments of Global Health, Microbiology, and Medicine, University of Washington (J.I.M.), Seattle; the Department of Surgery and Duke Human Vaccine Institute, Duke University Medical Center (D.C.M.), and FHI 360 (N.S., P.A.), Durham, and the Institute for Global Health and Infectious Disease, University of North Carolina, Chapel Hill (M.S.C.) - both in North Carolina; the National Institute for Communicable Diseases of the National Health Laboratory Service (L.M.) and the Antibody Immunity Research Unit, Faculty of Health Sciences (L.M.), and the Perinatal HIV Research Unit, Faculty of Health Sciences (F.L., E.M.L., S.T.), University of the Witwatersrand, Johannesburg, the Desmond Tutu HIV Centre, Department of Medicine and Institute of Infectious Disease and Molecular Medicine (C.O.), and the Division of Medical Virology (C.W.), University of Cape Town, Cape Town, the School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria (S.T.), and the South African Medical Research Council, Tygerberg (G.G.) - all in South Africa; the Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta (S.E.); the University of Zimbabwe College of Health Sciences Clinical Trials Research Centre, Harare, Zimbabwe (N.M.M., P.G.M.); Servicio de Enfermedades Infecciosas y Tropicales, Hospital Nacional Dos de Mayo (P.G.), Asociación Civil Via Libre (R.C.), Asociación Civil Impacta Salud y Educación (J.R.L.), and Centro de Investigaciones Tecnológicas, Biomédicas y Medioambientales, Universidad Nacional Mayor de San Marcos (J.S.), Lima, and Association Civil Selva Amazónica, Clinical Research Site, Iquitos (J. Hinojosa) - both in Peru; the Infectious Diseases Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (I.F.); the Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York (M.E.S.); Botswana Harvard AIDS Institute, Gaborone, Botswana (J.M.); Brigham and Women's Hospital, Harvard Medical School, Boston (L.R.B.); and the Vaccine Research Program, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Rockville (M.M.G.L.), the Prevention Sciences Program, Division of AIDS (D.N.B.), and the Vaccine Research Center (J.E.L., J.R.M.), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, and Johns Hopkins University School of Medicine, Baltimore (E.P.-M.) - all in Maryland.

Publisher: Massachusetts Medical Society Country of Publication: United States NLM ID: 0255562 Publication Model: Print Cited Medium: Internet ISSN: 1533-4406 (Electronic) Linking ISSN: 00284793 NLM ISO Abbreviation: N Engl J Med Subsets: MEDLINE

Baeten JM; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Palanee-Phillips T; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Brown ER; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Schwartz K; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Soto-Torres LE; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Govender V; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Mgodi NM; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Matovu Kiweewa F; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Nair G; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Mhlanga F; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Siva S; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Bekker LG; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Jeenarain N; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Gaffoor Z; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Martinson F; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Makanani B; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Pather A; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Naidoo L; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Husnik M; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Richardson BA; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Parikh UM; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Mellors JW; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Marzinke MA; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Hendrix CW; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; van der Straten A; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Ramjee G; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Chirenje ZM; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Nakabiito C; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Taha TE; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Jones J; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Mayo A; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Scheckter R; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Berthiaume J; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Livant E; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Jacobson C; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Ndase P; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; White R; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Patterson K; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Germuga D; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Galaska B; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Bunge K; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Singh D; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Szydlo DW; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Montgomery ET; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Mensch BS; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Torjesen K; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Grossman CI; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Chakhtoura N; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Nel A; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Rosenberg Z; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; McGowan I; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).; Hillier S; From the Departments of Global Health (J.M.B., B.A.R., P.N.), Medicine (J.M.B.), Epidemiology (J.M.B., M.H.), and Biostatistics (E.R.B., B.A.R.), University of Washington, and the Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center (E.R.B., M.H., B.A.R., J.B., K.P., D.W.S.) - both in Seattle; Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg (T.P.-P.), HIV Prevention Research Unit, South African Medical Research Council (V.G., S.S., N.J., Z.G., A.P., L.N., G.R.), and Center for AIDS Programme of Research in South Africa (G.N.), Durban, and the Desmond Tutu HIV Center, University of Cape Town, Cape Town (L.-G.B.) - all in South Africa; FHI 360, Durham, NC (K.S., A.M., R.S., R.W., K.T.); National Institute of Allergy and Infectious Diseases (L.E.S.-T., D.G.), National Institute of Mental Health (C.I.G.), and Eunice Kennedy Shiver National Institute of Child Health and Human Development (N.C.), National Institutes of Health, Bethesda, the Departments of Medicine (M.A.M., C.W.H.) and Epidemiology (T.E.T.), Johns Hopkins University, Baltimore, and the International Partnership for Microbicides, Silver Spring (A.N., Z.R.) - all in Maryland; University of Zimbabwe-University of California San Francisco Collaborative Research Program, Harare, Zimbabwe (N.M.M., F. Mhlanga, Z.M.C.); Makerere University-Johns Hopkins University Research Collaboration, Kampala, Uganda (F.M.K., C.N.); University of North Carolina Project, Lilongwe (F. Martinson), and Malawi College of Medicine-Johns Hopkins University Research Project, Queen Elizabeth Central Hospital, Blantyre (B.M., T.E.T.) - both in Malawi; the Departments of Medicine (U.M.P., J.W.M., I.M.) and Obstetrics, Gynecology, and Reproductive Sciences (K.B., S.H.), University of Pittsburgh, and Magee-Women's Research Institute (J.J., E.L., C.J., B.G., D.S.) - both in Pittsburgh; the Women's Global Health Imperative, RTI International (A.S., E.T.M.), and the Department of Medicine, University of California (A.S.) - both in San Francisco; and the Population Council, New York (B.S.M.).

Publisher: Massachusetts Medical Society Country of Publication: United States NLM ID: 0255562 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1533-4406 (Electronic) Linking ISSN: 00284793 NLM ISO Abbreviation: N Engl J Med Subsets: MEDLINE