| hepatitis b virus, hepatitis c virus and human immunodeficiency virus infection in health care workers: a multiple regression analysis of risk factors. | a seroprevalence survey of hepatitis b virus (hbv), hepatitis c virus (hcv) and human immunodeficiency virus (hiv), was conducted using serum samples obtained from 5813 health care workers (hcws) in five public hospitals in the latium region of italy, during the 1985 vaccination campaign against hbv. the seroprevalences of hbv, hcv and hiv were 23.3% [95% confidence interval (ci) = 22.3-24.4%], 2% (95% ci = 1.6-2.4%) and 0.07% (95% ci = 0.001-0.13%), respectively. in a logistic regression model, ... | 1995 | 7499808 |