Aj News and Media Information: New C.D.C. data adds to evidence that boosters’ protection against severe Covid plunges after four months.

Friday, February 11, 2022

New C.D.C. data adds to evidence that boosters’ protection against severe Covid plunges after four months.

By BY APOORVA MANDAVILLI from NYT Health https://ift.tt/uBavQmS
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