MMR Vaccination Rates Fell During the COVID Pandemic, County Data Show
(MedPage Today) -- Measles, mumps, and rubella (MMR) vaccination rates in children declined in some counties across the U.S. during the COVID-19 pandemic, researchers found.
Across 2,066 counties in 33 states with both pre- and post-pandemic vaccination...
Across 2,066 counties in 33 states with both pre- and post-pandemic vaccination...