In a study of US blood donations, the combined SARS-CoV-2 seroprevalence from infection or vaccination reached 94.7%.

Updated US Infection- and Vaccine-Induced SARS-CoV-2 Seroprevalence Estimates Based on Blood Donations, July 2020-December 2021 – JAMA

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In this study of US blood donations, the combined seroprevalence from #SARSCoV2 infection or vaccination reached 94.7% by December 2021. https://t.co/OiHICuWDo4

— JAMA (@JAMA_current) June 13, 2022