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Revista da Sociedade Brasileira de Medicina Tropical

Print version ISSN 0037-8682On-line version ISSN 1678-9849


ASSIS, Sandra Breder; SOUTO, Francisco José Dutra; FONTES, Cor Jesus Fernandes  and  GASPAR, Ana Maria Coimbra. Prevalence of hepatitis A and E virus infection in school children of an Amazonian municipality in Mato Grosso State. Rev. Soc. Bras. Med. Trop. [online]. 2002, vol.35, n.2, pp.155-158. ISSN 0037-8682.

The prevalence of antibodies to hepatitis A anti-HAV total and E viruses anti-HEV IgG was assessed in 487 children ranging from 2 to 9 years old who were students of nurseries and public schools in a county of the Amazonian region, in Mato Grosso State, Brazil. The anti-HAV and anti-HEV prevalence were 86.4% (CI 95% 83 ¾ 89.3) and 4.5% (CI95% 2.9 ¾ 6.9), respectively. The anti-HAV prevalence was high in all ages, suggesting that this is an area of high endemicity for HAV infection. There was no association between the anti-HAV markers and gender, socioeconomic level, parental educational level, hygienic conditions, number or density of residents per room or schools in which they studied. Anti-HEV prevalence was low and similar to that found among adults in another Brazilian regions.

Keywords : Hepatitis A; Hepatitis E; Epidemiology; Amazon Children.

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