FROM FOX NEWS: The Centers for Disease Control and Prevention has updated its website with a new stance on the potential link between vaccines and autism.
The new wording on the CDC’s site states, “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.
Previously, the CDC page stated, “Studies have shown that there is no link between receiving vaccines and developing autism spectrum disorder (ASD).”
The U.S. Department of Health and Human Services (HHS) has launched a “comprehensive assessment” of potential causes of autism, the CDC stated.
The key points on the page state:
- 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. - The Children’s Health Defense applauded the CDC’s updated web page.
The CDC further states:
Pursuant to the Data Quality Act (DQA), which requires federal agencies to ensure the quality, objectivity, utility, and integrity of information they disseminate to the public, this webpage has been updated because the statement “Vaccines do not cause autism” is not an evidence-based claim. Scientific studies have not ruled out the possibility that infant vaccines contribute to the development of autism. However, this statement has historically been disseminated by the CDC and other federal health agencies within HHS to prevent vaccine hesitancy.
HHS has launched a comprehensive assessment of the causes of autism, including investigations on plausible biologic mechanisms and potential causal links. This webpage will be updated with gold-standard science that results from the HHS comprehensive assessment of the causes of autism as required by the DQA.
The following, as required by the DQA, details the state of the evidence and studies, and the lack thereof, regarding vaccines and autism spectrum disorder (autism) and outlines HHS future research directions to provide answers.
[…]
In 1986, the CDC’s childhood immunization schedule for infants (≤ 1 year of age) recommended five total doses of vaccines: two oral doses of oral polio vaccine (OPV) and three injected doses of Diphtheria and Tetanus Toxoids and Pertussis Vaccine (DTP). In 2025, the CDC schedule recommended three oral doses of Rotavirus (RV) and three injected doses each of HepB, DTaP, Hib, PCV, and IPV by six months of age, two injected doses of Influenza (IIV) by 7 months of age, and injected doses of Hib, PCV, MMR, Varicella (VAR), and Hepatitis A (HepA) at 12 months of age.
The rise in autism prevalence since the 1980s correlates with the rise in the number of vaccines given to infants. Though the cause of autism is likely to be multi-factorial, the scientific foundation to rule out one potential contributor entirely has not been established. For example, one study found that aluminum adjuvants in vaccines had the highest statistical correlation with the rise in autism prevalence among numerous suspected environmental causes. Correlation does not prove causation, but it does merit further study.
[…]
The National Childhood Vaccine Injury Act of 1986 required that “the Secretary of Health and Human Services shall complete a review of all relevant medical and scientific information … on the nature, circumstances, and extent of the relationship, if any, between vaccines containing pertussis … and the following illnesses and conditions.” The statute lists 11 specific illnesses and conditions, including autism.
Since then, multiple reports from HHS and the National Academy of Sciences’ Institute of Medicine have examined the links between autism and vaccines. These reviews have consistently concluded that there are still no studies that support the specific claim that the infant vaccines, DTaP, HepB, Hib, IPV, and PCV, do not cause autism and hence the CDC was in violation of the DQA when it claimed, “vaccines do not cause autism.” CDC is now correcting the statement, and HHS is providing appropriate funding and support for studies related to infant vaccines and autism.
The Children’s Health Defense reacted to the CDC’s updates.
“Finally, the CDC is beginning to acknowledge the truth about this condition that affects millions, disavowing the bold, long-running lie that ‘vaccines do not cause autism,’” Mary Holland, president and CEO of Children’s Health Defense in New Jersey, said “No studies have ever proved this irresponsible claim; on the contrary, many studies point to vaccines as the plausible primary cause of autism. Thankfully, HHS has now launched a comprehensive assessment on the causes of autism, including an investigation of plausible biological mechanisms.”
🚨 BREAKING: CDC reverses 30 years of denial.
The CDC website admits the claim “Vaccines do NOT cause autism” was never evidence-based.
Studies have NOT ruled out infant vaccines as a cause of autism.
Evidence has been ignored.
HHS has opened a full investigation into… pic.twitter.com/o9sXInYBE7
— Children’s Health Defense (@ChildrensHD) November 20, 2025
AARON SIRI: “We sued the CDC for the studies that support that the vaccines given in the first months of life do not cause autism … You know what? They provided none … This notion that there's a ‘mountain of studies’ out there … is ridiculous.” pic.twitter.com/Ng65ANyjPg
— Chief Nerd (@TheChiefNerd) November 20, 2025
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