New strains of COVID swiftly moving through the US need careful watch, scientists say

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Each COVID-19 infection increases the risk of a mutation that could make it more infectious, deadlier, or different enough to make vaccines not work.

      

from USATODAY - News Top Stories New strains of COVID swiftly moving through the US need careful watch, scientists say
Karen Weintraub and Elizabeth Weise, USA TODAY

Each COVID-19 infection increases the risk of a mutation that could make it more infectious, deadlier, or different enough to make vaccines not work.

      

January 22, 2021 at 08:18PM
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