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Study rules out link between autism and MMR vaccine even in at-risk kids
Study rules out link between autism and MMR vaccine even in at-risk kids

At least a dozen major studies have found that early childhood vaccines do not cause autism. But one possibility remained: that immunizations could cause autism in a small group of children who were already primed to develop the disorder. Now, new research has ruled out that possibility too. A study of nearly 100,000 children found that toddlers known to have an elevated risk of autism were no more likely to be diagnosed with the disorder if they were vaccinated against measles, mumps and rubella than if they weren’t. What’s more, the diagnosis rate for high-risk children who were vaccinated was the same as for immunized children with no family history of the disorder,...

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