Despite a growing amount of evidence that MMR vaccine is safe, many parents are still concerned that MMR causes autism. A few newspapers reported a new study that replicates the methods of the original study conducted in 1998 by Dr Andrew Wakefield that sparked the controversy of a link between autism and the MMR vaccine.
The new study compared children with gastrointestinal disturbances who also had autism with a control group without autism to see if there was evidence of meales virus RNA in the bowel of children with autism who also have gastrointestinal disturbances. The reserachers said their results did not support the association of autism with persistent measles in the bowel or with MMR vaccination.
Critics say that although this is a stronger study than the Wakefield's with a control group and more cases, it is still small and the findings may still be due to chance. However, this study provides evidence that disproves the MMR-autism link.
Source: " Lack of Association between Measles Virus Vaccine and Autism with Enteropathy: A Case-Control Study." PLoS ONE 2008; 3(9):e3140
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