Health officials say a total of 19 people who visited Disney theme parks in California last month have now fallen ill with measles.
The California Department of Public Health and the Orange County Health Agency said yesterday that all the patients visited Disneyland or Disney California Adventure between December 15 and December 20.
Officials say 16 of the cases are in California, two are in Utah, and one is in Colorado.
California officials say that of the cases in the state they have only verified that two were fully vaccinated against the disease.
