This Friday, May 17, 2019 file photo shows a vial of a measles, mumps and rubella vaccine in Mount Vernon, Ohio. According to a report released by the Centers for Disease Control and Prevention on Thursday, April 21, 2022, a smaller portion of U.S. children got routine vaccinations required for kindergarten during the pandemic, raising concerns that measles and other preventable diseases could increase. (AP Photo/Paul Vernon, File)
