| hepatitis d and b virus genotypes in chronically infected patients from the eastern amazon basin. | hepatitis d virus (hdv) is a defective hepatotropic virus whose infectivity is dependent on hepatitis b virus (hbv). hdv super- or co-infection leads to an increased risk of fulminant hepatitis or progression to severe chronic liver disease in hbv infected patients. the brazilian amazon basin has been reported to be endemic for hbv and hdv, especially in the western amazon basin. in this region, hdv infection is frequently associated with acute fulminant hepatitis with characteristic histologic ... | 2008 | 18420172 |