The NIH has tested blood samples for COVID antibodies from 1 443 519 blood donations from July 2020 through May 2021 from a area representing 74% of the US population.
Over 92% are essentially vaccinated
The NIH has tested blood samples for COVID antibodies from 1 443 519 blood donations from July 2020 through May 2021 from a area representing 74% of the US population.