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seroepidemiology of hepatitis a infection in india: changing pattern.recent changes in the epidemiology of hepatitis a virus (hav) infection and the availability of effective vaccines have renewed interest in this infection. we determined the age-related prevalence of anti-hav antibodies in india and looked for differences by known risk factors for hav infection.200111497169
incidence of different types of viral hepatitis in delhi, uttar pradesh and rajasthan areas.a total of 428 sera samples from patients of acute sporadic viral hepatitis collected from delhi (172), uttar pradesh (192) and rajasthan (64) were tested for hepatitis a virus (hav) and hepatitis b virus (hbv) markers. non a non b was diagnosed by exclusion. the prevalence of hav, hbv and non a non b in such cases was almost comparable at three places. the prevalence of hav ranged between 15.7 and 20.3 per cent, hbv between 41.3 and 51.6 per cent while non a non b ranged between 28.1 and 43 per ...19902129122
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