Any man who has had sex with another man used to be unable to give blood in the US, due to federal regulations, because of the risk of HIV. The current regulati

Any man who has had sex with another man used to be unable to give blood in the US, due to federal regulations, because of the risk of HIV. The current regulation states: “Defer for 3 months from the most recent sexual contact, a man who has had sex with another man during the past 3 months.” https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/lgbtq-donors.html https://www.redcrossblood.org/donate-blood/how-to-donate/eli...