As of Feb. 11, 125 cases of measles in U.S. residents have been connected with the outbreak that began at Disneyland in California in December, according to the Centers for Disease Control and Prevention.
Of the 125 cases, 110 of the patients are California residents, nearly half (45 percent) of which were unvaccinated. Five percent had received one dose of measles-containing vaccine, 6 percent had received two doses, 1 percent received three doses and 43 percent were unsure of or had no documentation of their vaccination status.
The source of the initial exposure at Disneyland has yet to be identified.
More articles on measles:
Vaccine exemptions and the measles outbreak: 5 things to know
How healthcare providers are responding to the measles vaccine debate
4 interactive web tools to track measles outbreaks