Coronavirus Began Spreading In The US In January
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Coronavirus Began Spreading In The US In January
Alexi Rosenfeld/Getty Images Nearly a month before community spread was first detected, "sustained, community transmission" of the coronavirus in the United States began in late January or early February, a report from the CDC says.
A "single importation" from China was followed by "several importations" from Europe, the study's authors found.