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COVID-19 concerns over blood donation

The virus that causes coronavirus disease 2019 (COVID-19) hasn't been shown to be transmitted through blood transfusions. However, the U.S. Food and Drug Administration suggests waiting to donate blood for at least 10 days after a positive diagnostic test for COVID-19 without symptoms or for at least 10 days after symptoms of COVID-19 have completely gone away.

Those who have tested positive for COVID-19 antibodies but didn't have a diagnostic test and never developed symptoms can donate without a waiting period or having a diagnostic test done before donation.

If you get a nonreplicating, inactivated or mRNA-based COVID-19 vaccine, you can donate blood without a waiting period. However, if a live attenuated viral COVID-19 vaccine becomes available and you get it, wait 14 days after being vaccinated before donating blood. If you aren't sure what type of vaccine you got, wait 14 days before donating blood.