The Gaytheist Agenda

Comic courtesy of Cetic,

Anti-vaccine woos will likely not be convinced by yet another piece of evidence via Science Daily that mercury does not cause autism. This one comes from The Golden State:

Autism cases continued to increase in California after the mercury-containing preservative thimerosal was eliminated from most childhood vaccines, according to a new report.This suggests that exposure to thimerosal is not a primary cause of autism.

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“Young children receive immunizations in the period preceding the typical manifestations or diagnosis of autism spectrum disorders,” the authors write. “Increased exposure to thimerosal, a preservative that contains 49.6 percent ethylmercury by weight, has been postulated to have contributed to the upswing in reported cases of autism spectrum disorders.” Thimerosal was eliminated from most vaccines by 2001. A 2004 report by the Institute of Medicine cited the lack of data supporting thimerosal as a cause of autism, but recommended that trends in autism diagnoses be observed as exposure to thimerosal decreased.

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“The estimated prevalence of autism for children at each year of age from 3 to 12 years increased throughout the study period,” the authors write. Per 1,000 children born in 1993, 0.3 had autism at age 3, compared with 1.3 per 1,000 births in 2003. The highest estimated prevalence–4.5 cases per 1,000 births–was reached in 2006 for children born in 2000. “Although insufficient time has passed to calculate the prevalence of autism for children 6 years and older born after 2000, the prevalence at ages 3 to 5 years has increased monotonically for each birth year since 1999, during which period exposure to thimerosal has been reduced,” they continue.

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“Parents of autistic children should be reassured that autism in their child did not occur through immunizations,” Dr. Fombonne concludes. “Their autistic children, and their siblings, should be normally vaccinated, and as there is no evidence of mercury poisoning in autism, they should avoid ineffective and dangerous ‘treatments’ such as chelation therapy for their children.”

The question is, will the antivax crowd continue to ignore the facts or will they search for a new scapegoat? If they’re anything like the RRRW it could be either–or both.