Hepatitis A antibodies in two socioeconomically distinct populations of São Paulo, Brazil

To evaluate the prevalence of antibody against hepatitis A in two socioeconomically distinct populations of a developing country, 540 serum specimens from children and adults living in São Paulo, Brazil, were tested for IgG anti HAV by a commercial radioimunoassay (Havab, Abbott Laboratories). The p...

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Bibliographic Details
Published in:Revista do Instituto de Medicina Tropical de São Paulo
Main Authors: Claudio Sergio Pannuti, João Silva de Mendonça, Manoel J. M. Carvalho, Gabriel Wolf Oselka, Vicente Amato Neto
Format: Article in Journal/Newspaper
Language:English
Published: Universidade de São Paulo (USP) 1985
Subjects:
Arctic medicine. Tropical medicine
RC955-962
Infectious and parasitic diseases
RC109-216
Abbott
Arctic
Online Access:https://doi.org/10.1590/S0036-46651985000300009
https://doaj.org/article/786317e3e8cd4929885badda584e0826
Description
Summary:To evaluate the prevalence of antibody against hepatitis A in two socioeconomically distinct populations of a developing country, 540 serum specimens from children and adults living in São Paulo, Brazil, were tested for IgG anti HAV by a commercial radioimunoassay (Havab, Abbott Laboratories). The prevalence of anti-HAV in low socioeconomic level subjects was 75.0% in children 2-11 years old and 100.0% in adults, whereas in middle socioeconomic level significantly lower prevalences were observed (40.3% in chidren 2-11 years old and 91.9% in adults). Voluntary blood donors of middle socioeconomic level showed a prevalence of 90.4%. These data suggest that hepatitis A infection remains a highly endemic disease in São Paulo, Brazil.

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