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Thimerosal and Expanded List of Vaccines

Thimerosal Content in Currently Manufactured U.S. Licensed Vaccines Vaccine Trade Name Manufacturer Thimerosal Concentration 1 Mercury Anthrax Anthrax vaccine Emergent BioDefense Operations Lansing Inc. 0 0 DTaP Tripedia 2 Sanofi Pasteur, Inc ≤ 0.00012% ≤ 0.3 µg/0.5 mL dose Infanrix GlaxoSmithKline Biologicals 0 0 Daptacel Sanofi Pasteur, Ltd 0 0 DTaP-HepB-IPV Pediarix GlaxoSmithKline Biologicals 0 0 DT No Trade Name Sanofi Pasteur, Inc < 0.00012% (single dose) < 0.3 µg/0.5mL dose Sanofi Pasteur, Ltd 3 0.01% 25 µg/0.5 mL dose Td No Trade Name MassBiologics ≤ 0.00012% ≤ 0.3 µg mercury/0.5 ml dose Decavac Sanofi Pasteur, Inc ≤ 0.00012% ≤ 0.3 µg mercury/0.5 ml dose No Trade Name Sanofi Pasteur, Ltd 0 0 Tdap Adacel Sanofi Pasteur, Ltd 0 0 Boostrix GlaxoSmithKline Biologicals 0 0 TT No Trade Name Sanofi Pasteur, Inc 0.01% 25 µg/0.5 mL dose Hib ActHIB/OmniHIB 4 Sanofi Pasteur, SA 0 0

Thimerosal in Vaccines

Sensitivity to Mercury varies widely from person to person, as does the body's natural ability to detoxify. Some children can get rid of the Mercury quickly, while in others, the toxin remains in the body longer, allowing it time to bind tightly in the brain and other organs. Before six months of age, infants do not produce bile, which is necessary to excrete Mercury. Mercury is one of the most toxic elements on earth, second only to Plutonium. The amount of Mercury found in one Mercury thermometer is enough to pollute a small 20 acre lake. This metal is available in three basic forms, organic, ionic, heavy metal, and is known to form very tight bonds within the bodies sulfur-hydro groups. The enzymes, which our immune system relies on for chemical reactions to occur, become disrupted as a result of the mercury binding to these sulfur-hydro groups. Sulfur is used as a binding compound within these groups and without them, or if any are absent, the body cannot make connective tissue

Guidelines for safe exposure to Thimerosal

Guidelines for safe exposure to methylmercury are based on the analysis of unintended environmental exposures resulting in overt toxicity. Such guidelines have been developed by three federal agencies and the World Health Organization (WHO). The World Health Organization recommends a limit of 3.3 micrograms of methylmercury/ kilogram of body weight/ week (0.47 micrograms/ kg/ day). Three U.S. federal agencies have set lower guidelines for methylmercury exposure:     Environmental Protection Agency: 0.1 micrograms/ kg/ day     Agency for Toxic Substances Disease Registry: 0.3 micrograms/ kg/ day     Food and Drug Administration: 0.4 micrograms/ kg/ day Although these guidelines are each slightly different, but each leaves a large margin for safety, and exposure to amounts that exceed these guidelines does not mean that the developing infant is exposed to toxic levels of mercury. A concentration of 1:10,000     = 0.01% concentration     = 50 micrograms per 0.5 mL 1 microgram     = 1mcg

Is thimerosal still in the vaccines that children receive?

Currently, all pediatric vaccines in the routine infant immunization schedule are manufactured without thimerosal as a preservative. As of January 14, 2003, the final lots of vaccines containing thimerosal as a preservative expired. Other vaccines (for example, influenza vaccine; tetanus and diphtheria vaccine for older children and adults) continue to be manufactured with thimerosal as a preservative—although influenza vaccine without thimerosal preservative is also available. Trivalent inactivated influenza vaccine (TIV) has recently been recommended for all children 6-23 months of age, in addition to the long-standing recommendations to give TIV to children and adults with certain medical conditions as well as older adults. Thimerosal-free TIV is not available in the United States. However, TIV is available both with trace amounts of thimerosal and with thimerosal as a preservative. The amount of thimerosal in current influenza vaccines is so low that it should not raise concern. Th

Does thimerosal in vaccines pose a risk to infants?

When pregnant women eat foods or take medicines that contain mercury, the mercury can be transferred to the developing fetus through the placenta. Infants can be exposed to mercury through foods, including breast milk, or medicines. Developing fetuses and young children are believed to be more susceptible to mercury exposure than adults because mercury can interfere with the developing nervous system. Guidelines for safe exposure to methylmercury, based on the analysis of cases where people were accidentally exposed to toxic levels of mercury, have been developed by three federal agencies1. Although the three agencies’ guidelines are each slightly different, each leaves a large margin for safety, and exposure to amounts that exceed these guidelines does not mean that the individual has been exposed to toxic levels of mercury. Additionally, it should be noted that, some studies show that ethylmercury (the kind to which thimerosal is metabolized) may be less toxic than methylmercury (the

What is thimerosal, and why is it in some vaccines?

Thimerosal is a compound that is 49.6% mercury by weight. Although it is not used in all vaccines (for example, it is not used in measles-mumps-rubella or chickenpox vaccines), it has been part of the manufacture of many vaccines since the 1930s. Thimerosal has been used: to kill the bacteria that make the vaccine itself (e.g., whole cell pertussis vaccine) to kill bacteria that might enter the vaccine during the production process (e.g., influenza vaccine) as a preservative to prevent bacterial and fungal contamination of vaccines during their clinical use. In this case, thimerosal is added at the end of the production process either to the liquid vaccine itself or — in the case of dry powder vaccines — to the liquid used to dilute the vaccine Unless used as a preservative, thimerosal contributes little to the final concentration of thimerosal in vaccine (at most 2 to 3 micrograms of thimerosal per milliliter of vaccine), so the chief concern has centered on thim

The experts speak on mercury, vaccines and thimerosal

Thimerosal is a Mercury compound. Thimerosal is also known as ethyl Mercury.  Mercury is a known neuro-toxin. It can cross the placenta and blood brain barrier then, concentrate in the blood and brain.  This alone would have made me think twice, had I known. I also found out, the dose given to a forty pound five year old is the same as given to an eight pound two month old. These are known carcinogens and there are no “safe amounts” allowed in the human body. The U.S. Public Health Service and the American Academy of Pediatrics found that some children could be exposed to cumulative levels of Mercury over the first six months of life that exceed federal guidelines. By age two, American children have received 237 micrograms of Mercury though vaccines. This far exceeds the EPA’s current safe level of 1/10th of 1 microgram per kilogram a day. Thirty-five micrograms will kill a rabbit. This amount would be equivalent to injecting a 100lb adult with 40 vaccines in one day.   What Your Doc

Mercury, Vaccines and Thimerosal

Thimerosal is the preservative of choice for vaccine manufacturers. First introduced by Eli Lilly and Company in the late 1920s and early 1930s, the company began selling it as a preservative in vaccines in the 1940s. Thimerosal contains 49.6 percent mercury by weight and is metabolized or degraded into ethylmercury and thiosalicylate. Mercury, or more precisely, ethylmercury, is the principle agent that kills contaminants. Unfortunately, mercury also kills much more than that. The Department of Defense classifies mercury as a hazardous material that could cause death if swallowed, inhaled or absorbed through the skin. Studies indicate that mercury tends to accumulate in the brains of primates and other animals after they are injected with vaccines. Mercury poisoning has been linked to cardiovascular disease, autism, seizures, mental retardation, hyperactivity, dyslexia and many other nervous system conditions. That's why the FDA rigorously limits exposure to mercury in foods and d

Links between autism and thimerosal

Thimerosal is the preservative of choice for vaccine manufacturers. First introduced by Eli Lilly and Company in the late 1920s and early 1930s, the company began selling it as a preservative in vaccines in the 1940s. Thimerosal contains 49.6 percent mercury by weight and is metabolized or degraded into ethylmercury and thiosalicylate. Mercury, or more precisely, ethylmercury, is the principle agent that kills contaminants. Unfortunately, mercury also kills much more than that. The Department of Defense classifies mercury as a hazardous material that could cause death if swallowed, inhaled or absorbed through the skin. Studies indicate that mercury tends to accumulate in the brains of primates and other animals after they are injected with vaccines. Mercury poisoning has been linked to cardiovascular disease, autism, seizures, mental retardation, hyperactivity, dyslexia and many other nervous system conditions. That's why the FDA rigorously limits exposure to mercury in foods and d

Thimerosal in Vaccines - Questions and Answers

Thimerosal in Vaccines Questions and Answers Vaccines are safe? FDA's Center for Biologics Evaluation and Research is responsible for regulating vaccines in the U.S. Before new vaccines are licensed, they are tested extensively for safety in the laboratory, in animals, and in successive stages of human clinical trials called phases . When a new vaccine is first tested in humans, a sponsor (a vaccine manufacturer, academic investigator or other individual or organization) must first submit an Investigational New Drug Application to FDA. If data at any stage of clinical development raise significant concerns regarding the safety of the product, FDA may request additional information or may halt ongoing or planned studies. Phase 1 studies typically enroll less than 20 participants and are designed to look for very common adverse events. Phase 2 studies may include up to several hundred individuals and are designed to look at the overall safety profile of the vac

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