Pfizer and Moderna vaccines are powerfully effective against Covid-19, a C.D.C. analysis confirmed. by BY EMILY ANTHES

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A new study of 1,800 health care workers confirms that the vaccines are working well in the real world, outside clinical trials.

Published: May 14, 2021 at 10:25PM

from NYT Health https://ift.tt/3eP2Xkx