학술논문

Epidemiological aspects of acute viral hepatitis in São Paulo, Brazil
Document Type
article
Source
Revista do Instituto de Medicina Tropical de São Paulo. December 1986 28(6)
Subject
Viral hepatitis — Epidemiology
Virus A, B, non-A, non-B
Language
English
ISSN
0036-4665
Abstract
As few reports on the prevalence of each type of viral hepatitis have been published in our country, we studied 154 patients with acute viral hepatitis consecutively seen at the Liver Unit from November 1980 to November 1984. The frequency of hepatitis A, B and non-A, non-B was 52.6%, 27.3% and 20.1% respectively. Greater frequency in young people, previous contact with infected patients and ingestion of suspected foods were the predominant epidemiological features in the hepatitis A group. Hepatitis B was characterized by the parenteral, non-transfusional exposure, previous contact and a high occurence in health-care workers. A history of blood transfusion was a significant finding in the hepatitis non-A, non-B group. Finally, the routes of transmission were unknown in 30-40% of the three groups of patients.