| hepatitis delta virus genotype 8 infection in northeast brazil: inheritance from african slaves? | hepatitis delta virus (hdv) is endemic worldwide, but its prevalence varies in different geographical areas. while in the brazilian amazon, hdv is known to be endemic and to represent a significant public health problem, few studies have assessed its prevalence in other regions in the country. this study evaluated the seroprevalence of hdv among hbsag chronic carriers from maranhão state, a region located in the northeast of brazil. among 133 patients, 5 had anti-hd, of whom 3 had hdv rna. hdv g ... | 2011 | 21798297 |