KOR

e-Article

Genomic epidemiology of COVID-19 in care homes in the east of England
Document Type
article
Source
eLife, Vol 10 (2021)
Subject
COVID-19
SARS-CoV-2
genomics
epidemiology
Medicine
Science
Biology (General)
QH301-705.5
Language
English
ISSN
2050-084X
Abstract
COVID-19 poses a major challenge to care homes, as SARS-CoV-2 is readily transmitted and causes disproportionately severe disease in older people. Here, 1167 residents from 337 care homes were identified from a dataset of 6600 COVID-19 cases from the East of England. Older age and being a care home resident were associated with increased mortality. SARS-CoV-2 genomes were available for 700 residents from 292 care homes. By integrating genomic and temporal data, 409 viral clusters within the 292 homes were identified, indicating two different patterns – outbreaks among care home residents and independent introductions with limited onward transmission. Approximately 70% of residents in the genomic analysis were admitted to hospital during the study, providing extensive opportunities for transmission between care homes and hospitals. Limiting viral transmission within care homes should be a key target for infection control to reduce COVID-19 mortality in this population.