US measles outbreak linked to low vaccine rate

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LOS ANGELES: A measles outbreak in the United States that began at a Disney theme park in California was able to spread because not enough children are being vaccinated, US researchers said on Monday (Tuesday in Manila). As few as 50 to 86 percent of kids were vaccinated against measles in the areas of California, Arizona and Illinois where cases clustered, far below the 96 to 99 percent needed to create what is known by researchers as “herd immunity.” The study in the journal JAMA Pediatrics is the “first to positively link measles vaccination rates and the ongoing outbreak,” the authors from Boston Children’s Hospital said.

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AFP

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