NIH study suggests coronavirus may have been in U.S. as early as December 2019

By | June 15, 2021

A volunteer in Illinois who gave blood on Jan. 7, 2020 — in a study unrelated to the emergent virus — tested positive for antibodies to SARS-CoV-2, according to the NIH report. It noted that the antibodies typically take 14 days, on average, to develop, and this “suggests the virus may have been present in Illinois as early as December 24, 2019.”

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