Vaccinated children were significantly more likely than the unvaccinated to have been diagnosed with a neurodevelopmental disorder: most notably, the risk of being affected by an Autism Spectrum Disorder (ASD) was 4.7 fold higher in vaccinated children; as well, ADHD risk was 4.7 fold higher and learning disability risk was 3.7 fold higher. Overall, the vaccinated children in the study were 3.7 times more likely to have been diagnosed with some kind of neurodevelopmental disorder. https://www.ageofautism.com/2017/05/pilot-comparative-study-on-the-health-of-vaccinated-and-unvaccinated-6-12-year-old-us-children.html