Author’s Note: The hyperlink to the study goes to an archived webpage because the full text version is no longer available on the JAMA website.
A recent study published in the Journal of the American Medical Association (JAMA) that is widely touted to argue against the measles, mumps, rubella (MMR) vaccine’s association with autism actually provides evidence for a connection. Based on computation from the study results for participants with non-autism spectrum disorder-diagnosed (non-ASD) older siblings, children who received a dose of the MMR vaccine before age five had a risk for ASD diagnosis by age five that was 48% higher than in children who did not in analyses that corrected for certain potential biases.
