One more study shows vaccines don’t cause autism

Pediatrician Charles Goodman vaccinates 1 year- old Cameron Fierro with the measles-mumps-rubella vaccine. (AP Photo/Damian Dovarganes)
Pediatrician Charles Goodman vaccinates 1 year- old Cameron Fierro with the measles-mumps-rubella vaccine. (AP Photo/Damian Dovarganes)

(NBC NEWS) — Another study aimed at soothing the fears of some parents shows that vaccines don’t cause autism.

This one takes a special look at children with older siblings diagnosed with autism, who do themselves have a higher risk of an autism spectrum disorder. But even these high-risk kids aren’t more likely to develop autism if they’re vaccinated, according to the report in the Journal of the American Medical Association.

“We found that there was no harmful association between receipt of the MMR (measles, mumps and rubella) vaccine and development of autism spectrum disorder,” said Dr. Anjali Jain of The Lewin Group, a health consulting group in Falls Church, Virginia, who led the study.

Kids who had older brothers or sisters with autism were less likely to be vaccinated on time themselves, probably because their parents had vaccine worries. But those who were vaccinated were no more likely than the unvaccinated children to develop autism, Jain’s team found.

Learn more about the report on NBCNews.com or in the video player above.

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