In one very large Danish study, autism rates rose after thimerosal was removed from vaccines.
FORBES: Vaccine Court Ruling: Thimerosal Does Not Cause Autism
But the CDC says there is no evidence that thimerosal is harmful to pregnant women or fetuses.
Thimerosal is a mercury-containing compound that has been used since the 1930s as a preservative in vaccines.
FORBES: Vaccine Court Ruling: Thimerosal Does Not Cause Autism
Was there every any scientific support for the link between thimerosal and autism?
FORBES: Vaccine Court Ruling: Thimerosal Does Not Cause Autism
Kennedy Jr. wrote articles promoting his notion of a large government conspiracy to cover up the harm being caused by thimerosal.
FORBES: Vaccine Court Ruling: Thimerosal Does Not Cause Autism
After the introduction of thimerosal, bacterial infections caused by vaccination virtually disappeared.
FORBES: Vaccine Court Ruling: Thimerosal Does Not Cause Autism
Thimerosal, a mercury preservative found in the multi-dose vial H1N1 vaccines, has been controversially linked to autism, though no studies have proved that theory.
Considering all of the evidence, I find that the petitioners have failed to demonstrate that thimerosal-containing vaccines can contribute to the causation of autism.
FORBES: Vaccine Court Ruling: Thimerosal Does Not Cause Autism
Well, the people behind SafeMinds and Age of Autism believe that the preservative thimerosal, which is used in some but not all flu vaccines, causes autism.
Some parents believe that thimerosal, a preservative found in childhood vaccines that virtually every child gets, causes autism, because many children were diagnosed after they were vaccinated.
Last year, the drug industry demanded and won protection from litigation over the use of thimerosal, a preservative in most vaccines believed by some to cause autism.
Dozens of studies, involving hundreds of thousands of children, have found the same thing: there is no link whatsoever between thimerosal and autism, or between vaccines and autism.
These results directly contradict the claim that thimerosal causes autism.
FORBES: Vaccine Court Ruling: Thimerosal Does Not Cause Autism
The claim that thimerosal causes autism was the central question of a large, multi-year Autism Omnibus trial, which ruled definitively last year that thimerosal does not cause autism.
Thimerosal was introduced into vaccines in the 1930s, and it is a very effective means to prevent the growth of bacteria without affecting the potency of the vaccine itself.
So the use of the very small quantities of mercury found in Thimerosal provided a very big benefit when they had been used (other biocides are in use now).
From the late 1990s to the present, scientists have looked closely at the evidence, and every well-done study has pointed to the same conclusion: thimerosal in vaccines has no link to autism.
FORBES: Vaccine Court Ruling: Thimerosal Does Not Cause Autism
With all the irrational talk about the MMR (Measles, Mumps, Rubella) vaccine containing mercury (thimerosal) and being a potential cause of autism (disproven in multiple large clinical trials), there is a far greater risk of measles itself.
Does the vaccine preservative thimerosal cause autism?
FORBES: Vaccine Court Ruling: Thimerosal Does Not Cause Autism
Why was thimerosal introduced into vaccines?
FORBES: Vaccine Court Ruling: Thimerosal Does Not Cause Autism
The thimerosal-autism hypothesis is dead.
FORBES: Vaccine Court Ruling: Thimerosal Does Not Cause Autism
The ruling came from a panel of "special masters" who began hearing three test cases in 2007 involving children with autism -- a disorder that their parents contend was triggered by the vaccine against measles, mumps and rubella combined with vaccines containing thimerosal, a mercury-based preservative.
Thimerosal prevented bacteria and fungi from growing in the vaccine (and many other products, for example while it is no longer used in vaccines it is still used in tatttoo inks, nasal solution products, opthalmic drugs, eye products, ear products, toxoids, antivenins, immunoglobulins, and skin test antigens).
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