摘要：In order to determine the prevalence, incidence and odd ratio of HBV, 681 serum samples were collected from 54 laboratory personnel in Tehran in both private and governmental sectors. The samples were tested for HBsAg and Ab using ELISA technique. The results showed that the prevalence of HBsAg and Ab among clinical laboratory personnel was 2.3 and 20 percent respectively. The prevalence of HBsAg and Ab was two folds higher in the males than in female. With increasing duration of employment and age, the prevalence of these markers was increased (p
