News from the FDA/CDC

MMR vaccine coverage at 94% in kindergartners



Median national coverage of two doses of MMR vaccine was 94% among kindergartners for the 2016-2017 school year, according to the Centers for Disease Control and Prevention.

A look at the map shows that state coverage of required MMR doses varied considerably. Mississippi (99.4%), Maryland (99.3%), Delaware (98.5%), California (97.3%), New York (97.3%), Texas (97.3%), and Louisiana (97.1%) were the furthest above the national median. Occupying the low end of the range were the District of Columbia (85.6%), Colorado (87.3%), Indiana (88.9%), Alaska (89.0%), Kansas (89.5%), and Idaho (89.9%), reported Ranee Seither, MPH, of the National Center for Immunization and Respiratory Disease, and associates at the CDC, Atlanta (MMWR 2017 Oct 13;66[40]:1073-80).

Coverage of state-required doses in kindergartners, 2016-2017
The estimate for the median was calculated by way of a two-dose MMR requirement, but not all states require two doses of all three of the components. All 50 states and the District of Columbia require two doses of a measles-containing vaccine, but some require only one dose of either mumps or rubella or both, and Iowa requires two doses of measles and rubella but does not require mumps vaccine at all, the investigators noted.

The data for the CDC analysis, which included 3,973,172 kindergartners for the 2016-2017 school year, were collected by federally funded immunization programs in the 50 states and D.C.

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