Vaccines prevented fewer infections as Delta emerged, federal researchers find. by BY RONI CARYN RABIN

This entry was posted in Health Weight Watchers and tagged Health NYT on by

A study that followed essential workers in six states found that vaccine protection dropped from 91 percent to 66 percent, still “a really high number,” one scientist said.

Published: August 24, 2021 at 11:54PM

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