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In 2004, a meta review financed by the European Union assessed the evidence given in 120 other studies and considered unintended effects of the MMR vaccine, concluding that although the vaccine is associated with positive and negative side effects, a connection between MMR and autism was "unlikely".
MMR vaccine and autism. This is a category for articles discussing the pseudoscientific claim that autism is caused by vaccines, the historical and ongoing controversy and conspiracy theories generated around the claim, and publications investigating and debunking it. The link was first suggested in the early 1990s, but only came to public ...
Following the belief that individual vaccines caused autism was the idea of vaccine overload, which claims that too many vaccines at once may overwhelm or weaken a child's immune system and lead to adverse effects. Vaccine overload became popular after the Vaccine Injury Compensation Program in the United States accepted the case of nine-year ...
The MMR vaccine is a vaccine against measles, mumps, and rubella (German measles), abbreviated as MMR. The first dose is generally given to children around 9 months to 15 months of age, with a second dose at 15 months to 6 years of age, with at least four weeks between the doses.
The Lancet MMR autism fraud centered on the publication in February 1998 of a fraudulent research paper titled "Ileal-lymphoid-nodular hyperplasia, non-specific colitis, and pervasive developmental disorder in children" in The Lancet. [1] The paper, authored by now discredited and deregistered Andrew Wakefield, and twelve coauthors, falsely ...
Thiomersal and vaccines. Thiomersal (or thimerosal) is a mercury compound which is used as a preservative in some vaccines. Anti-vaccination activists promoting the incorrect claim that vaccination causes autism have asserted that the mercury in thiomersal is the cause. [1] There is no scientific evidence to support this claim. [2]
The Vaccine Adverse Event Reporting System ( VAERS) is a United States program for vaccine safety, co-managed by the U.S. Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA). [1] VAERS is a postmarketing surveillance program, collecting information about adverse events (possible harmful side effects) that ...
t. e. The Modified Checklist for Autism in Toddlers (M-CHAT) is a psychological questionnaire that evaluates risk for autism spectrum disorder in children ages 16–30 months. The 20-question test is filled out by the parent, and a follow-up portion is available for children who are classified as medium- to high-risk for autism spectrum disorder.