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prevalence of antibody to hepatitis a virus in the santa cruz region of bolivia.

several epidemiological studies have shown the worldwide distribution of hepatitis a with the highest prevalence of anti-hav antibodies in developing countries (papaevangelou 1984). there is no information about the epidemiology of hepatitis a in bolivia. the goal of this study was to evaluate the anti-hav antibody prevalence in the santa cruz region, southeastern bolivia.