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Hepatitis C among Risk Groups for HIV and Hepatitis B

In order to obtain more information on sexual transmission of hepatitis C (HCV) we compared different high-risk groups for HIV and hepatitis B to see if they were seropositive for HCV. A high seroprevalence (38/81) of hepatitis C (HCV) was found among intravenous drug users. Nursing staff (n = 35) and patients of a dialysis unit (n = 57) had a low prevalence of anti-HCV antibodies (0% and 5%, respectively). Serology laboratory technicians also had a very low prevalence (0% out of 29). Among prostitutes (n = 114), healthy homosexual men (n = 132) and HIV-infected homosexual men (n = 31), we found a remarkably low seroprevalence of HCV (3.5%, 0.8% and 0.0% respectively). These data support the view that parenteral exposure to the virus is the most important way of acquiring the infection and that neither heterosexual nor homosexual promiscuity are associated with a high risk of transmission of hepatitis C.