By the numbers: Gay blood donation ban


Times for a man to have had sex with another man since 1977 in order to be permanently banned from donating blood


Years that a person who has had heterosexual sex with someone who is HIV-positive is banned from giving blood


Years since the lifetime ban on gay male blood donors was instituted in 1983, during the height of the HIV epidemic.


Estimated pints that would be added to the US blood supply per year if the gay ban is lifted


Times the Food & Drug Administration has reconsidered the gay blood ban. In 2000 and 2006, the FDA decided to keep the policy; it is set to be studied again in meetings June 10-11.


Sources: CNN, HRC, The, Williams Institute