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Hepatitis A Virus

Research from W.S.M. Braga and co-authors reveals new findings on hepatitis A virus

Published in Hepatitis Weekly, October 19th, 2009

"This study evaluated the prevalence of hepatitis A virus infection in the rural area of Labrea, in the western Brazilian Amazon region. Communities and households were selected randomly," investigators in Manaus, Brazil report.

"Serum samples were analyzed by means of the immunoenzymatic method for the presence of total antibodies against HAV. The study included 1,499 individuals. The prevalence of anti-HAV was 74.6% (95% CI 72.3-76.8). Univariate analysis showed associations with age (chi-square for linear trend = 496.003, p< 0.001), presence of outside toilet ( p< 0.001), history of hepatitis ( p< 0.001) and family history of hepatitis ( p = 0.05). After...

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