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National, State, and Urban Area Vaccination Coverage Among Children Aged 19--35 Months --- United States, 2003
National, State, and Urban Area Vaccination Coverage Among Children Aged 19--35 Months --- United States, 2003. (July 30, 2004). MMWR 53(29): 658-661.
Each annual birth cohort in the United States comprises approximately 4 million infants. Maintaining the gains in vaccination coverage achieved during the 1990s among these children poses a continuing challenge for public health practitioners. The National Immunization Survey (NIS) provides estimates of vaccination coverage among children aged 19-35 months for each of the 50 states and 28 selected urban areas.