[Serological markers of selected viral infections transmitted by parenteral route in drug addicts].

Investigations included a group 80 asymptomatic drug addicts. They were examined immunoenzyme method aiming at detection infection by HIV, HBV, HCV and HDV. Cases of seropositive HIV results were confirmed by means WB. In 68 examined patients serological evidence of virus HBV was discovered. In 60 of them one also found out coexisting HIV serological markers, in 51 of HCV markers. HDV antibodies were disclosed in 7 cases. Infection with hepatotropic viruses were more frequent in group of HIV(+) drug addicts.