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.
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Over 92% are essentially vaccinated
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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.