New CDC Study of Vaccine Doses and Autism

Concerns about childhood vaccinations and the risk for autism persist for many parents and some members of the public. A new CDC study published in the Journal of Pediatrics [1] addressed a current concern about the relationship between autism spectrum disorder (ASD) and vaccination, which centers on the number of vaccines and vaccine antigens given to infants and children, according to the recommended childhood immunization schedule.


The study evaluated the association between the level of immunologic stimuli received from vaccines during the first 2 years of life and the development of ASD. The findings showed that neither the number of antigens from vaccines received on a single day of vaccination, nor the total number of antigens received during the first 2 years of life, is related to the development of autism.

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