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Evidence: Quick Facts (next page) click for a PDF of this page
Fact #1  Thimerosal, a vaccine preservative, was patented in 1929, and has been used in vaccines since the early 1930s.
Dr. Morris Kharasch is credited with inventing Thimerosal. He described it as an "alkyl mercuric sulfur compound" that demonstrated both antiseptic and antibacterial properties. On June 27, 1927, Kharasch, through The Eli Lilly Corporation, filed a patent application for Thimerosal. Because of its perceived antibacterial qualities, Thimerosal was marketed by Eli Lilly and adapted for use as a vaccine preservative in the early 1930s and has been used ever since.
Fact #2 Thimerosal is 49.6% ethlymercury by weight. Ethylmercury is highly toxic to humans.
Mercury is one of the earth's elements and the second most toxic element on earth behind plutonium. It is a known neurotoxin and is particularly damaging to developing brains. Ethylmercury, a chemically derived compound of mercury, is estimated to be as much as 50 times more toxic than elemental mercury. The California Environmental Protection Agency recently reported that the scientific evidence that thimerosal causes reproductive and developmental toxicity is "clear and voluminous." In the body, ethylmercury is converted into inorganic mercury, which then accumulates in the body's fat cells, primarily in the brain and kidneys. The extreme toxicity of ethylmercury may manifest itself in virtually hundreds of health related symptoms, mostly neuro-degenerative or auto-immune in nature.
Fact #3 The amount of ethlymercury received by children through Thimerosal-containing vaccines grew by 2.5 times between 1986 and 1991 and continued at this higher level until at least 2002.
Before 1986, per the Centers for Disease Control's recommended vaccine schedule, children received a total dose of 100 micrograms of ethylmercury in the first two years of life. Between 1988 and 1991, two new vaccines, the Hepatitis B vaccine (Hep B) and the Haemophilus Influenzae Type B vaccine (Hib), were added to the recommended schedule. The addition of these two vaccines drove the amount of ehtylmercury given to children within the first two years of life up to 246 micrograms, an increase of 2.5 times or 147%. This dose was largely maintained between 1991 and 2002, when the Federal Drug Administration issued a recommendation to pharmaceutical companies to remove Thimerosal from childhood vaccines. Although the recommendation was issued in 1999, vaccines containing Thimerosal remained on the market through 2002 as inventories of Thimerosal-containing vaccines were worked down.
Of more concern, the ethlymercury received within the first six months of life grew from 75 micrograms before 1986 to 187.5 micrograms by 1991, an increase of 150%. The younger an infant is, the less capable they are of processing mercury due to an undeveloped renal system. Hep B, introduced in 1990, was mandated to be given on the first day of life. Also, the practice of giving multiple vaccine doses during single visits became more widespread, resulting in an exposure to mercury on a single day greater than can be adequately excreted by an infant. None of these figures include the ethlymercury exposure from flu shots, which typically have 25 micrograms of ethylmercury by themselves. Most flu shots as well as some other childhood vaccines still contain Thimerosal today.
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