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MMWR Morb Mortal Wkly Rep. 2012 Aug 24;61(33):647-52.

Vaccination coverage among children in kindergarten--United States, 2011-12 school year.

Erratum in

  • MMWR Morb Mortal Wkly Rep. 2012 Dec 7;61(48):994.


In 2011, CDC reported 17 outbreaks of measles and 222 measles cases, most of which were imported cases in unvaccinated persons. This was the highest number of measles cases in any year in the United States since 1996 and highlights the importance of monitoring measles vaccination coverage at the local level. To identify areas of undervaccination for measles and other vaccine-preventable diseases, state and local health departments monitor compliance with school immunization requirements using annual school vaccination assessment reports, supported as a CDC immunization funding objective for the 64 grantees, including the 50 states, the District of Columbia (DC), five cities, and eight other reporting areas. CDC also monitors progress toward meeting Healthy People 2020 objectives for the vaccination of children entering kindergarten. This report summarizes vaccination coverage, exemption rates, and reporting methods from the 2011-12 school year kindergarten vaccination assessments submitted by 56 grantees, including 49 states, DC, one city, and five other reporting areas. Median coverage with 2 doses of measles, mumps, and rubella (MMR) vaccine was 94.8% among 47 reporting states and DC. Total exemption rates, including medical, religious, and philosophic exemptions, among 49 reporting states and DC, ranged from <0.1% to 7.0% (median: 1.5%). Although statewide levels of vaccination coverage are at or very near target levels, locally low vaccination coverage for extremely transmissible diseases such as measles remains a threat to health. Monitoring MMR vaccination coverage at the local and state level will continue to be critical as long as the risk for measles importation and outbreaks exist.

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