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[Antibody prevalence for hepatitis C and other parenterally transmissible viral diseases in i. v. drug dependent patients].

Serum samples of 151 intravenous drug users were tested for markers of hepatitis B, hepatitis C, HIV and HTLV-I infection to estimate the prevalence of blood born virus infection in this high risk group. Anti HCV antibodies were found in 75% of sera. Seroprevalence for HIV was found 13%, for hepatitis B markers 68% and none for HTLV-I. Multiple infections have been very frequent.