FIGURE.

Percentage of U.S. residents with measles who were unvaccinated (N = 195), by reason for not receiving measles vaccine — United States, January 1–May 23, 2014

* Includes persons who were unvaccinated because of their own or their parents’ beliefs.

^† Includes person ineligible for measles vaccination, generally those aged <12 months.

^§ Includes children aged 16 months–4 years who had not been vaccinated and international travelers aged ≥6 months who were unvaccinated but had no exemption.

^¶ Includes persons who were known to be unvaccinated and the reason was unknown, and those who were born before 1957 and presumed to be immune.