The coronavirus began quietly spreading in the U.S. as early as late January, the CDC says.
The virus then came into the U.S. from Europe, the CDC reported."The findings do show that in late February, early March, there were several importations of the virus from Europe to California and northeastern United States and possibly elsewhere," Redfield said.
There was no indication the virus had been introduced into the U.S. earlier, in November or December."We looked for evidence of early widespread transmission and could not confirm it," Dr. Jay Butler, deputy director for infectious diseases at the CDC, said during the media briefing Friday.for full coverage of the coronavirus outbreakfour months ago, on Jan. 21. The patient, a man in his 30s who lived outside of Seattle, flew home on Jan.
But the CDC said it will likely never be known if the man was the first person in the U.S. with the virus. Now that it's clear COVID-19 can be spread among , it's even possible the man was infected by an asymptomatic passenger on the same flight from Wuhan.— a married couple in Chicago. During a call with reporters on that day, Redfield said,"Based on what we know now, our assessment remains that the immediate risk to the American public is low.
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