Hours before the F.D.A. vote, the C.D.C. released a study showing waning protection of the Pfizer vaccine. by Benjamin Mueller


The study found that the shots’ effectiveness in preventing hospitalization fell to 77 percent from 91 percent four months after full vaccination.

Published: September 17, 2021 at 02:00AM

from #NYT Science Read the full article here: https://ift.tt/3tPxFQp