Jabs link to autism 'dispelled'5th July 2006
Canadian researchers have said Mercury-based vaccines and MMR jabs do not lead to autism.
Almost 30,000 children were included in the study by McGill University Health Centre which looked at patterns between the development disorder and jabs.
The research, from Pediatrics journal, found autism rates were higher in children given jabs after thimerosal was eliminated from vaccines and after MMR vaccination coverage decreased.
Experts said research was now needed to explain why cases of autism were rising all over the world, with an estimated one in 250 children now thought to have the developmental disability.
Controversy over the jab has continued for almost a decade, after research in 1998 suggested the MMR jab may be linked autism as the three-in-one vaccine was said to overload the immune system.
The research has since been discredited, but resulted in many parents choosing not to have their children immunised.
Meanwhile, thimerosal, traditionally used as a preservative in vaccines, has been gradually phased out of use after being linked to autism.
Experts say the rise in autism rates is likely to be caused by a broader definition of autism and greater awareness of the disorder. But Professor Simon Baron-Cohen, an autism expert at Cambridge University, said there were many likely factors but an "explanation" was needed.
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Title: Jabs link to autism 'dispelled'
Author: Sue Knights
Article Id: 506
Date Added: 5th Jul 2006