This news is unfortunately not likely to solve anyone's questions about whether or not vaccines are a cause of autism.
"Dr. W. Ian Lipkin of Columbia University, collaborating with a team from the Centers for Disease Control and Prevention, Massachusetts General Hospital, and Trinity College in Dublin, tackled the hot-button question: whether the MMR vaccine causes autism.
"'We are persuaded there is no link,' said Lipkin, director of the center on infection and immunity at Columbia's Mailman School of Public Health in Manhattan."
HOWEVER…
"The study was not designed to address other rumored theories of autism's cause, such as thimerosal, the much-debated mercury-based preservative in some other vaccines, Lipkin said."
Now, as usual, the devil is in the details. The 1998 study that linked MMR vaccines to autism was based on a whopping 12 children. I'm no scientist (nor have I played one on TV) but that doesn't sound like a very large sample base.
For this new study, "Lipkin and colleagues searched for traces of genetic material linked to the virus in intestinal tissue taken from 25 children with autism and gastrointestinal problems. They compared the samples to those from 13 children without autism but with intestinal problems. In 24 of the group of 25 and in 12 of the 13, there was no evidence of viral persistence, leading researchers to conclude the vaccine did not cause autism or gastrointestinal problems." So it’s a larger group of kids. Not that many, but on the surface it sounds more valid.
HOWEVER…
Why not do a study on thimerosal, which contains, as Jenny McCarthy calls it, "frickin' mercury"? Wouldn't that be, like, actually useful?
In theory, this study will put to rest parents' fears about this particular vaccine. Of course, as the great Homer Simpson once said, communism works -- in theory. In other words, I doubt this news will do anything to change anybody's mind one way or the other.
source: Newsday
image: timesonline.typepad.com
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