A Third of Americans Were Infected With COVID-19 in 2020: Study
Latest Coronavirus News THURSDAY, Aug. 26, 2021 (HealthDay News) One-third of the U.S. population — about 103 million people — had been infected by the SARS-CoV-2 virus by the end of 2020, but more than three-quarters of the cases weren’t officially confirmed, according to a Columbia University study. “It is these undocumented cases, […]