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Measles Outbreak Traced to Disneyland is Declared Over

/ Source: NBC News

Measles Then and Now

Feb.03.201502:00

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California health authorities on Friday declared an end to a large measles outbreak that started at Disneyland and triggered a national debate about vaccinations.

Disease detectives for months raced to contain the highly contagious disease, which surfaced at Disney theme parks in December and spread to a half-dozen U.S. states, Mexico and Canada. The outbreak sickened 147 people in the U.S., including 131 in California. There were no deaths.

Officials at the California Department of Public Health said no new infections have been reported for the past 42 days — or two incubation periods — meaning the outbreak is over in the U.S. But it is still active in the Canadian province of Quebec, where 159 people were sickened. Most belong to a tight-knit religious community with a low vaccination rate.

Many who fell ill in the Disneyland episode were not immunized against measles. Some cited personal reasons for refusing shots, and others were too young to get the measles-mumps-rubella vaccine.

While the Disneyland measles outbreak has ended, there are other measles cases circulating around the country. Public health officials don't know who sparked the Disneyland outbreak but believe it was someone who caught the virus overseas and visited Disneyland while contagious.

Measles Then and Now

Feb.03.201502:00

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