By BY LAUREN WOLFE, APOORVA MANDAVILLI AND RONI CARYN RABIN from NYT World https://ift.tt/3qqZOdW
A fast-spreading variant could become the dominant source of infection in the U.S. by March, C.D.C. says.
By BY LAUREN WOLFE, APOORVA MANDAVILLI AND RONI CARYN RABIN from NYT World https://ift.tt/3qqZOdW
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