The FDA concluded that moving to a one-year abstinence requirement would not change the safety of the U.S. blood supply, based on data from Australia and other sources.
On the current blood donor questionnaire, men are asked if they have ever had sex with another man since 1977– the start of the AIDS epidemic in the U.S. Potential donors who answer positively are barred from donating blood. The new questionnaire, as outlined by the FDA, would ask men if they have had sex with another man in the last 12 months.
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