Pfizer and Moderna boosters help protect Americans who received J.&J. shots, the C.D.C. reports.

By BY APOORVA MANDAVILLI from NYT Health https://ift.tt/zwWVjLT
via IFTTT
Health
Coronavirus (2019-nCoV), Vaccination and Immunization
New York Times
March 30, 2022 at 03:12AM