96.4% of Americans had COVID-19 antibodies in their blood by fall 2022
CC BY-ND Antibodies to SARS-CoV-2, the virus that causes COVID-19, were present in the blood of 96.4% of Americans over the age of 16 by September 2022. That’s according to a serosurvey – an analysis testing for the presence of these immune defense molecules – conducted on samples from blood donors. A serosurvey like this … Read more