Blood Transfusion Doesn’t Transfer COVID-19 Vaccine

A blood transfusion from a vaccinated person doesn’t transfer the inoculation to an unvaccinated person. But high-profile purveyors of misinformation have been promoting the long-standing false claim that it does.

How do we know vaccines are safe?

Most people in the U.S. — about 80% — have gotten at least one dose of a COVID-19 vaccine, and they’ve been able to donate blood since the vaccines first became available, according to guidance from the Food and Drug Administration.

So it’s been almost two full years that blood from vaccinated donors has been used for...