Blood Sample Testing Supports Theory COVID-19 Was Present in US Before Christmas 2019

Blood Sample Testing Supports Theory COVID-19 Was Present in US Before Christmas 2019
A COVID-19 particle is pictured in this image provided by the Centers for Disease Control and Prevention. CDC/TNS
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By Nancy Dillon From New York Daily News

A new study of blood specimens collected from 24,000 Americans found evidence that COVID-19 likely was present in the United States as early as Christmas Eve 2019.