[Examinations for appearance of HCV, HBc and HIV antibodies in patients--addicts visiting the outpatient AIDS clinic for infectious diseases AM in Krakow].

Blood and blood products transfusions increase the risk of infection transfer from the donor to recipient. Recently, researchers focus on the post-transfusion hepatitis. Therefore, we surveyed 142 documentations of drug addicts treated at the AIDS out-patient clinic in Kraków. Anti-HCV antibodies have been found in 82 patients (in 3 of the control group) whereas anti-HBc antibodies in 96, and anti-HIV antibodies in 98 patients. Several drug addicts have been carriers of two or three types of antibodies. The results suggest that drug addicts may be a reservoir of infections for themselves, and the remaining part of the Polish population.