Mercury and Vaccines (Thimerosal)
Thimerosal is a mercury-containing preservative used in some vaccines and other products since the 1930s. There is no convincing scientific evidence of harm caused by the low doses of thimerosal in vaccines, except for minor reactions like redness and swelling at the injection site. However, in July 1999, the Public Health Service agencies, the American Academy of Pediatrics, and vaccine manufacturers agreed that thimerosal should be reduced or eliminated in vaccines as a precautionary measure.
Since 2001, with the exception of some influenza (flu) vaccines, thimerosal is not used as a preservative in routinely recommended childhood vaccines.
For more information, please see Infant and Environmental Exposures to Thimerosal and Neuropsychological Outcomes at Ages 7 to 10 Years.
CDC Statement on Autism and Thimerosal
As the country’s leading public health agency, the Centers for Disease Control and Prevention (CDC) is committed to protecting the health of all Americans—including infants, children, and adolescents. CDC shares with parents and many others great concern about the number of children with autism spectrum disorders (ASD). We are committed to understanding what causes autism, how it can be prevented, and how it can be recognized and treated as early as possible.
Recent estimates from CDC’s Autism and Developmental Disabilities Monitoring network found that about 1 in 150 children have an ASD. This estimate is higher than estimates from the early 1990s. Some people believe increased exposure to thimerosal (from the addition of important new vaccines recommended for children) explains the higher prevalence in recent years. However, evidence from several studies examining trends in vaccine use and changes in autism frequency does not support such an association. Furthermore, a scientific review* by the Institute of Medicine (IOM) concluded that “the evidence favors rejection of a causal relationship between thimerosal-containing vaccines and autism.” CDC supports the IOM conclusion.
CDC recognizes that autism is an urgent health concern and supports comprehensive research as our best hope for understanding the causes of autism and other developmental disorders. Through collaborations with partners in government, research centers, and the public, CDC is focusing on three areas—
Understanding the frequency and trends of autism spectrum disorders.
Advancing research in the search for causes and effective treatments.
Improving early detection and diagnosis so affected children are treated as soon as possible.
Related Links
Thimerosal in Vaccines
CDC’s Autism Information Center
Agency for Toxic Substances and Disease Registry ToxFAQ on Mercury (April 1999)
Centers for Disease Control and Prevention. Recommendations regarding the use of vaccines that contain thimerosal as a preservative. MMWR 1999:48(43);996–998.
Food and Drug Administration/Center for Biologics Evaluation and Research – Thimerosal
Studies on Mercury and Vaccines*
Of the vaccines which they switched formulations to not use thimerosal:
They NEVER recalled the already on the market thimerosal vaccinations. They are still in use if they weren’t used up. I’ve heard of parents demanding to see the ingredient list before allowing Drs. to inject and finding that they were still the thimerosal containing vaxes. Always ask to see the ingredients.
Also, in the vaccines that they have switched using thimerosal as a preservative, many switched to ALUMINUM! Another known toxic metal.
The CDC link, has more info about the additives in the vaccines.
A good vaccine book to read it Neil Z. Miller’s “Vaccines: Are They Really Safe and Effective” available at Think Twice.
Also consider “A Shot in the Dark” “Evidence of Harm” and “What your Doctor May not Tell you about Childhood Vaccines”
The amount of mercury in vaccines preserved with thimerosal was about one-tenth to one-hundredth of the amount of mercury that is contained in a can of tuna. For some reason, tuna is still on the market, but thimerosal is generally gone.
Comments
Mercury and Vaccines (Thimerosal)
Thimerosal is a mercury-containing preservative used in some vaccines and other products since the 1930s. There is no convincing scientific evidence of harm caused by the low doses of thimerosal in vaccines, except for minor reactions like redness and swelling at the injection site. However, in July 1999, the Public Health Service agencies, the American Academy of Pediatrics, and vaccine manufacturers agreed that thimerosal should be reduced or eliminated in vaccines as a precautionary measure.
Since 2001, with the exception of some influenza (flu) vaccines, thimerosal is not used as a preservative in routinely recommended childhood vaccines.
For more information, please see Infant and Environmental Exposures to Thimerosal and Neuropsychological Outcomes at Ages 7 to 10 Years.
CDC Statement on Autism and Thimerosal
As the country’s leading public health agency, the Centers for Disease Control and Prevention (CDC) is committed to protecting the health of all Americans—including infants, children, and adolescents. CDC shares with parents and many others great concern about the number of children with autism spectrum disorders (ASD). We are committed to understanding what causes autism, how it can be prevented, and how it can be recognized and treated as early as possible.
Recent estimates from CDC’s Autism and Developmental Disabilities Monitoring network found that about 1 in 150 children have an ASD. This estimate is higher than estimates from the early 1990s. Some people believe increased exposure to thimerosal (from the addition of important new vaccines recommended for children) explains the higher prevalence in recent years. However, evidence from several studies examining trends in vaccine use and changes in autism frequency does not support such an association. Furthermore, a scientific review* by the Institute of Medicine (IOM) concluded that “the evidence favors rejection of a causal relationship between thimerosal-containing vaccines and autism.” CDC supports the IOM conclusion.
CDC recognizes that autism is an urgent health concern and supports comprehensive research as our best hope for understanding the causes of autism and other developmental disorders. Through collaborations with partners in government, research centers, and the public, CDC is focusing on three areas—
Understanding the frequency and trends of autism spectrum disorders.
Advancing research in the search for causes and effective treatments.
Improving early detection and diagnosis so affected children are treated as soon as possible.
Related Links
Thimerosal in Vaccines
CDC’s Autism Information Center
Agency for Toxic Substances and Disease Registry ToxFAQ on Mercury (April 1999)
Centers for Disease Control and Prevention. Recommendations regarding the use of vaccines that contain thimerosal as a preservative. MMWR 1999:48(43);996–998.
Food and Drug Administration/Center for Biologics Evaluation and Research – Thimerosal
Studies on Mercury and Vaccines*
thimerosal – yes – here is the FDA and CDC’s websites about it:
http://www.fda.gov/cber/vaccine/thimerosal.htm#t1
http://www.cdc.gov/vaccines/vac-gen/additives.htm
Alternate names for thimerosal:
http://research.dfci.harvard.edu/ehs/Mercury/synonyms_and_trade_names_for_thi.htm
keep in mind, the FDA only requires it be reported over a certain amount.
MOre about vaccines:
http://www.thinktwice.com
http://www.nvic.org
Of the vaccines which they switched formulations to not use thimerosal:
They NEVER recalled the already on the market thimerosal vaccinations. They are still in use if they weren’t used up. I’ve heard of parents demanding to see the ingredient list before allowing Drs. to inject and finding that they were still the thimerosal containing vaxes. Always ask to see the ingredients.
Also, in the vaccines that they have switched using thimerosal as a preservative, many switched to ALUMINUM! Another known toxic metal.
The CDC link, has more info about the additives in the vaccines.
A good vaccine book to read it Neil Z. Miller’s “Vaccines: Are They Really Safe and Effective” available at Think Twice.
Also consider “A Shot in the Dark” “Evidence of Harm” and “What your Doctor May not Tell you about Childhood Vaccines”
Unfortunately many vaccines do have thimerosal in them. You should really do some research into vaccines before taking any.
Good luck!
The amount of mercury in vaccines preserved with thimerosal was about one-tenth to one-hundredth of the amount of mercury that is contained in a can of tuna. For some reason, tuna is still on the market, but thimerosal is generally gone.
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