Both states have reported declines in uptake of the measles, mumps, and rubella (MMR) vaccine, which is one of the most common childhood shots. In Georgia, MMR coverage for kindergartners dropped to 88.4% in the 2023-24 school year from 93.1% in 2019-20, according to the CDC. Florida dropped to 88.1% from 93.5% during the same period.