Effects of Lifting Blood Donation Bans on Men Who Have Sex with Men

By Gary J. Gates, Naomi G. Goldberg
June 2010

The Food and Drug Administration prohibits the donation of blood by any man who has had sex with another man (MSM) since 1977. This research brief uses data sources to estimate the size of the MSM population and apply those estimates to blood donation patterns in the US to predict the impact of lifting the ban on the nation’s blood supply.

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