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Revista do Instituto de Medicina Tropical de São Paulo

On-line version ISSN 1678-9946

Abstract

ZANCHETTA, N. et al. B and Delta hepatitis virus infection in a population of West Africa. Rev. Inst. Med. trop. S. Paulo [online]. 1990, vol.32, n.1, pp.36-40. ISSN 1678-9946.  http://dx.doi.org/10.1590/S0036-46651990000100006.

Among the 424 serum samples examined, the prevalence of hepatitis virus infection turned out to be 89.6%, with 15.6% of HBsAg positivity. Some of the samples belonged to an afferent population and some other to workers of a West Africa rural hospital (Pop. Rep. of Benin). 27.3% of the positive subjects presented active replication of the virus, shown by the presence of HBeAg. Among the HBcAb positive subjects the anti-delta antibodies showed a positivity frequency of 19.7%. HBsAg presence in 15% of pregnant women suggested the importance of HBV mother-foetal transmission in the district. The examined results can be compared with those obtained in other African areas, with similar socio-economic conditions.

Keywords : B hepatitis; Delta hepatitis; West Africa.

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