the number of cases of transfusion-associated acquired immune deficiency syndrome ( ta-aids ) that will be seen over the next few years is difficult to estimate , because of the uncertainty about the number of persons infected with the human immunodeficiency virus ( hiv ) via blood transfusion and about the duration of the incubation period from hiv infection via transfusion to diagnosis of aids .
C0001175
acquired immune deficiency
C0019693
hiv infection