A U.K. coronavirus variant is now the dominant strain in U.S., CDC says
Scientists believe the B.1.1.7 variant is both more infectious and more deadly.
ToplineThe coronavirus mutation first identified in the United Kingdom last year is now the dominant strain circulating in the U.S.,U.S. Centers for Disease Control and Prevention Director Rochelle Walensky said Wednesday, and it may be the driving force behind the upward tick in new infections over the past few weeks.
Tourists walk through Times Square during COVID-19 pandemic in New York City.Anadolu Agency via Getty ImagesKey Facts Read more: Forbes »
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