In April 2017, anti-vaccine groups seemed to have finally gotten what amounted to the Holy Grail for their cause: an allegedly large-scale, peer-reviewed study showing the links between vaccines and autism among a large population of children. Vaccine skeptic groups, who reject the wide body of scientific literature refuting that link between vaccines and autism, have long sought such a study, but they’ve been hampered by practical concerns, most notably the ethical implications of withholding vaccines from a large group of children...
Read on: 'First Ever' Study Comparing Vaccinated and Unvaccinated Children Shows Harm from Vaccines? - Snopes.com