[nonsporting]

What does this mean for the blood supply? I surely don’t want tainted blood.

[LibertyWoman]

The only way to avoid that with certainty is to give your own blood for any upcoming medical procedures. Of course, if there’s an accident well... it’s a crap shoot then I would think.

[Polynikes]

You can set for a Autologous blood transfusion if you have a procedure scheduled. This has to be set up in advance.

https://pubmed.ncbi.nlm.nih.gov/994552/

[ifinnegan]

“What does this mean for the blood supply? I surely don’t want tainted blood.”

Nothing it’s fake crap meant to make a buck.