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Published on: August 1, 2013
HBV epidemiology in Latin America
Raymundo Paraná1, Delvone Almeida
1Castro-Hepatology Unit, Unioersity Hospital of Bahia, Federal Unioersity of Bahia, Brazil. unif@svn.com.br
Abstract:
In Latin America, despite the paucity of population studies, hepatitis B is considered endemic. The western Amazonia is a highly endemic area where hepatitis D is also prevalent. In this area, outbreaks of fulminant hepatitis due to H13V and HDV are frequently reported. Non-safe sexual activity seems to be the most important transmission route, but intrafamilial transmission, during early childhood, is extremely significant in Amazonia. The H13V genotype distribution is heterogeneous with a high prevalence of genotype F in the Amazonian region and genotype A in all other areas. In the region where Asian and Italian immigration occurred, genotypes B, C and D are also described.
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