Despite reports that COVID-19 vaccines cause blood abnormalities, the American Red Cross and the U.S. Food and Drug Administration continue to brush off concerns that the massive vaccine campaign may have contaminated the country’s blood supply.
https://childrenshealthdefense.org/defender/us-blood-supply-tainted-transfusions-covid-vaccines/
I'd be surprised if untainted blood doesn't become an expensive and sought after commodity. I know if I need blood, I'd call in favors with my pure blood friends for a blood donation.