Table 1.

Estimated number and percentage of unvaccinated^a children and adolescents in selected counties in the United States,^b 2010–2012 NIS and 2010–2012 NIS-Teen

^aUnvaccinated against measles refers to those administered no doses of measles-containing vaccine.

^bAmong the 210 counties for which county-level estimates were obtained, selected counties included those that were at least one of the following: (1) in the highest decile of the estimated percentage of children unvaccinated against measles, (2) in the highest decile of the estimated number of children unvaccinated against measles, (3) in the highest decile of the estimated percentage of adolescents who were unvaccinated against measles, or (4) in the highest decile of the estimated number of adolescents who were unvaccinated against measles.

^cNational estimates are based on 2013 data from the NIS and NIS-Teen.

^dTwo hundred ten counties had combined sample sizes of ≥35 across 2010–2012 for both the NIS and NIS-Teen.

^eCounty population rank of 19- to 35-month-old children among 3,141 counties comprising the United States

^fCounty population rank of 13- to 17-year-old adolescents among 3,141 counties comprising the United States

NIS = National Immunization Survey

CI = confidence interval