Childhood vaccination rates against measles, mumps, and rubella have been declining in much of the U.S. since the start of the COVID-19 pandemic, a new study has found. The study, which was published in JAMA on June 2, analyzed measles, mumps, and rubella (MMR) vaccination rates by county where data were available. Researchers at Johns Hopkins University collected county-level data on MMR vaccination rates for kindergarteners from each state’s health department website for the school years

Tag-uri: Coronavirus