Did the incidence of autism in Denmark decrease after thimerosal-containing vaccines were discontinued in 1992? No; in fact, the incidence of autism rose after 1991, according to this study.
Updated: March 30, 2004 | Read full article...
This study examined whether the reduction of thimerosal in vaccines administered to infants was associated with a decrease in cases of autism reported to the California’s Developmental Disabilities System (DDS).
Updated: November 21, 2008 | Read full article...
A new study examined the capacity of various substances to affect growth factor signaling in neuroblastoma (a form of cancerous nerve) cells—an important step in the development of cells of the central nervous system.
Updated: February 24, 2004 | Read full article...
This study shows that the mercury contained in some vaccines is handled very differently by the body than mercury found in foods such as fish or the mercury from industrial accidents.
Updated: August 20, 2007 | Read full article...
Is the hypothesis that thimerosal-containing vaccines cause autism valid? This epidemiological study found no evidence of a cause-effect relationship between the two.
Updated: February 24, 2004 | Read full article...
Does ethylmercury reach toxic levels in infants immunized with thimerosal-containing vaccines? This study shows that ethylmercury levels in these infants is below toxic levels and is eliminated from the body within two weeks.
Updated: March 30, 2004 | Read full article...
This pharmacokinetic study assessed the blood levels and the elimination of ethylmercury after vaccination of infants with thimerosal-containing vaccines.
Updated: February 25, 2008 | Read full article...
Although this report suggests a link between autism and thimerosal-containing vaccines (TCVs), it has serious methodological limitations that make the results uninterpretable.
Updated: April 21, 2005 | Read full article...
This study analyzed the quality of the evidence assessing a link between thimerosal-containing vaccines (TCV) and autism in the scientific literature. The published epidemiological studies do not demonstrate an association between TCV and autism and data about the pharmacokinetics of thimerosal make such an association less likely.
Updated: April 13, 2005 | Read full article...
Did children exposed to differing amounts of thimerosal develop at the right ages? This study suggests that thimerosal-containing vaccines do not cause autism or significant speech or language disorders.
Updated: March 30, 2004 | Read full article...
This large prospective study from the UK shows no evidence of any harmful effect of thimerosal-containing vaccines on neurologic or psychological development.
Updated: September 22, 2004 | Read full article...
This study looked at 42 neuropsychological outcomes—other than autism—in children who had had varying levels of exposure to thimerosal prior to birth and/or in infancy.
Updated: October 22, 2007 | Read full article...
This large case-control study looked at the relationships between thimerosal-containing injections—either before birth or during infancy—with the development of autism.
Updated: September 17, 2010 | Read full article...