volume 27, issue 3, P162-164 1985
DOI: 10.1590/s0036-46651985000300009
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Abstract: SUMMARYTo evaluate the prevalence of antibody against hepatitis A in two socioecono¬ mically distinct populations of a developing country, 540 serum specimens from children and adults living in São Paulo, Brazil, were tested for IgG antiHAV 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…

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