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Antivax: new evidence shows (again) no link to autism

Posted in Bad Astronomy by Skepdude on September 4, 2008

Oh, another blow — among a flurry of them — to people who think vaccines are linked with autism.

Some people were claiming that measles vaccines were linked to incidence of autism. The claim was that the (killed weakened) measles viruses in the vaccines were getting into the childrens’ bowels. The intestines would then react to the virus, lowering vitamin and other nutrient absorption, which in turn could give rise to development disorders including autism. Measle virus RNA was found in the bowels of children with autism, and there was speculation of a link, though tenuous. The media, of course, ran with this story.

However, a new study shows that the measles virus RNA found in the children with autism (who also had gastrointestinal (GI) disturbances) has nothing to do with the onset of autism spectrum disorder:


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