SUNDAY, JUNE 17, 2018

125 measles cases in U.S. linked to Disneyland

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The U.S. Centers for Disease Control and Prevention said on Friday that as of Feb. 11, there were 125 measles cases in the United States related to one unvaccinated child who visited California's Disney theme parks in December.

Of those 125 cases, 110 of the patients live in California with 39 of them having visted the Disney parks in Orange County between Dec. 17 and 20. Another 34 patients were secondary-exposure cases, and 37 have an unknown exposure source. 

Seven of the remaining measles patients are in Arizona, three are in Utah, two are in Washington, one is in Oregon, one is in Colorado and one is in Nebraska.

Another 10 measles cases in Canada and one in Mexico are also related to the original Disney case.

Measles specimens from 30 of the California cases show that they were all measles genotype B3, which has been responsible for a large measles outbreak in the Philippines. In the last six months, measles genotype B3 has been found in approximately 14 other countries and six states in the U.S.

Of the California cases linked to the Disney source, 49 patients had not received their measles vaccines; five had received only one dose of the vaccine, seven had received two doses, one had received three vaccine doses, 47 did not have any documentation for their vaccines, and one patient had been vaccinated or had the measles previously.

Only 12 of the patients without vaccines were infants too young for vaccinations. Among the vaccine-eligible patients in California, 28 said they were intentionally not vaccinated due to personal beliefs, including 18 children younger than 18 and 10 adults. 

The Disney-linked cases occurred in a wide age range of individuals, between 6 weeks old and 70 years old, with 22 years old as the median age. 

Health professionals are encouraging the public to receive their measles vaccinations to prevent additional cases. 

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U.S. Centers for Disease Control and Prevention

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