Please ensure Javascript is enabled for purposes of website accessibility
Don't miss
Home / News / COVID-19 coverage / More evidence suggests COVID-19 was in U.S. by Christmas 2019

More evidence suggests COVID-19 was in U.S. by Christmas 2019

A new analysis of blood samples from 24,000 Americans taken early last year is the latest and largest study to suggest that the new coronavirus popped up in the U.S. in December 2019 — weeks before cases were first recognized by health officials.