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
New C.D.C. data adds to evidence that boosters’ protection against severe Covid plunges after four months.
Reviewed by Virual stuff
on
February 11, 2022
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