> In 2015, the US Food and Drug Administration (FDA) relaxed its guidance but still required men to abstain from sex with another man for at least a year before they could give blood, a policy that the the American Public Health Association said was “not based in science”.

https://www.theguardian.com/us-news/2020/apr/18/us-blood-don...

Note that includes gay men in monogamous relationships too. It is a ban on gay men by another name.