serological markers of hepatitis b virus and certain other viruses in the population of eastern caprivi, namibia. | serum samples from 475 male and 420 female subjects from the population of eastern caprivi, the north-easternmost territory in northern namibia, were examined for the presence of hepatitis b surface antigen (hbsag), antibodies to hbsag (anti-hbs) and hepatitis b core antigen (anti-hbc). there appeared to be a rapid acquisition of antibodies to the different markers in childhood, reaching maximum values in the 20-24 year age group. the prevalence rate for all markers was lower in eastern caprivi ... | 1991 | 2068734 |