| prevalence of immunologic markers of hepatitis a and b infection in hospital personnel in miyazaki prefecture, japan. | between 1980 and 1983, a total of 1,883 serum samples from employees of four prefectural hospitals in miyazaki prefecture, japan were surveyed for antibody to hepatitis a virus (anti-hav) and for the following hepatitis b virus markers: hepatitis b surface antigen (hbsag), antibody to hbsag (anti-hbs), and antibody to hepatitis b core antigen (anti-hbc). overall prevalences were 36.9% for anti-hav, 3.4% for hbsag, 23.3% for anti-hbs, and 36.6% for anti-hbc. in the control group of 233 healthy pe ... | 1985 | 4061446 |