Childhood Vaccines Safe, Not Linked to Autism, Says New Study

the MPR take:

A review published in the journal Pediatrics has found that while some childhood vaccines are associated with some rare but serious adverse events, the measles/mumps/rubella (MMR) vaccine is not associated with an increased risk of autism. In the analysis of 67 studies that used active surveillance and had a control mechanism, the findings showed the following:

  • The MMR vaccine is not associated with autism but is associated with febrile seizures.
  • LAIC and TIV forms of influenza vaccines are associated with mild gastrointestinal events.
  • TIV influenza vaccine is associated with febrile seizures.
  • The hepatitis A vaccine is not associated with long or short-term adverse events.
  • A moderate but consistent strength of evidence linked the MMR vaccine and thrombocytopenic purpura in children and the varicella vaccine and thrombocytopenic purpura in children ages 11–17.
  • No vaccines studied were associated with childhood-onset leukemia.

However, the authors emphasize that while some associations were found, these adverse events are extremely rare and the absolute risk is low.

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Childhood Vaccines Safe, Not Linked to Autism

BACKGROUND: Concerns about vaccine safety have led some parents to decline recommended vaccination of their children, leading to the resurgence of diseases. This study systematically reviewed the literature on the safety of routine vaccines recommended for children in the United States. METHODS: ...

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