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Fact Check: Trump Makes Numerous False and Misleading Claims About Vaccines and Autism

by CNN | August 11, 2026
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Independent researchers across seven countries have conducted more than 40 studies involving over 5.6 million people to conclude that there is no link between vaccines and autism, Dr. Sean O’Leary, a professor of pediatrics and infectious diseases at the University of Colorado Anschutz Medical Campus and Children’s Hospital Colorado, said last fall.