Testing for human immunodeficiency virus antibody (anti-HIV-1) in pati
ents positive for hepatitis B surface antigen has never been performed
in a dental school patient population. In this population there was a
2.8% positive reactivity for HIV-1 antibodies in subjects who were al
so positive for hepatitis B surface antigen. An enzyme-linked immunoas
say with a repeat test and confirmation with a Western blot technique
were used.