Virus variants are spreading in the U.S., threatening to prolong the pandemic.

By BY APOORVA MANDAVILLI AND BENJAMIN MUELLER from NYT World https://ift.tt/3dvopJI
via IFTTT Virus variants are spreading in the U.S., threatening to prolong the pandemic. BY APOORVA MANDAVILLI AND BENJAMIN MUELLER https://ift.tt/3dvopJI https://ift.tt/3ukbktw New York Times World internal-essential April 4, 2021 at 08:08AM