Cric.info: Most U.S. infections are now caused by a contagious new virus variant, the C.D.C. says.

Wednesday, April 7, 2021

Most U.S. infections are now caused by a contagious new virus variant, the C.D.C. says.

By Sheryl Gay Stolberg from NYT U.S. https://ift.tt/3fPJnWl

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