At first I was going to say Well, straight people can have AIDS too, then I Google'd it and thought On second thought, keep them banned. There's a huge disparity between homosexual men and everyone else     U.S. Statistics    Ban donations from black women, apparently, too. Wow.    MAYBE if we had the technology for HIV screening to be 100% effective, but it's not. I wonder how many people have to get HIV from transfusions before someone decides this was not a good decision.     HIV Transmission Through Transfusion --- Missouri and Colorado, 2008    The only way I could see this working without ill effects, is to use the way-more-likely-to-be-HIV+ blood for people who are already HIV+ who need transfusions. That would leave more non-HIV blood for non-HIV people.