In the early 1980 which of the following groups was at high risk for contracting hiv/aids A. Oldermen
B. Prescription pill abusers
C. Blood-transfusion Recipients
D. Teenagers

I think answer is C. Blood transfusion recipients

In the early 1980s, blood became a vector for HIV infection and transmitted a fatal illness to approximately half of the 16,000 hemophiliacs in the United States and to over 12,000 blood transfusion recipients