New study shows COVID-19 cases may have reached US well before first official case in January

Published



A new study suggests that COVID-19 may have been introduced in the United States earlier than the first reported cases of the virus in mid-January.

“The findings of this report suggest that SARS-CoV-2 infections may have been present in the U.S. in December 2019, earlier than previously recognized,” the study, which was published in the journal of Clinical Infectious Diseases Monday, said.

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