We don’t label blood products as containing vaccinated or unvaccinated blood as the COVID-19 vaccine does not enter the bloodstream & poses no safety risks to the recipient.
– American Red Cross, 13 September 2022
It doesn’t get into the blood? Spike protein was found in shingle’s rashes and heart cells. How did it get there, if not the circulatory system? (Spike protein was also found in endothelial cells, cells that line blood vessels, far away from the injection site.)
Vaccine mRNA Can Be Detected in Blood at 15 Days Post-Vaccination, Biomedicines, 28 June 2022
Detection of Messenger RNA COVID-19 Vaccines in Human Breast Milk, JAMA Pediatrics, 26 September 2022