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CDC
Safety Information by Vaccine Common Vaccine Safety
Autism and Vaccines
QUESTIONS AND CONCERNS
PAGE 2 OF 9 | ALL PAGES J
For Everyone
NOV. 19, 2025
KEY POINTS
• The claim "vaccines do not cause autism" is not an evidence-based claim because studies have not ruled out the possibility that infant vaccines cause autism.
• Studies supporting a link have been ignored by health authorities.
• HHS has launched a comprehensive assessment of the causes of autism, including investigations on plausible biologic mechanisms and potential causal links.
An official website of the United States government
Autism and Vaccines
QUESTIONS AND CONCERNS
PAGE 2 OF 9 | ALL PAGES J
For Everyone
NOV. 19, 2025
KEY POINTS
• The claim "vaccines do not cause autism" is not an evidence-based claim because studies have not ruled out the possibility that infant vaccines cause autism.
• Studies supporting a link have been ignored by health authorities.
• HHS has launched a comprehensive assessment of the causes of autism, including investigations on plausible biologic mechanisms and potential causal links.