'''Thimerosal''' is a [[mercury]]-containing preservative that has been used in some [[vaccines]] and other products since the 1930's. "Thimerosal consists of 49.6% ethyl mercury, an anti-bacterial, anti-fungal that allows manufacturers to sell the vaccine in large, multi-dose containers without fear of contamination."<ref>http://www.jsonline.com/story/index.aspx?id=685311</ref> [[Mercury]] has long been known to be highly toxic. | '''Thimerosal''' is a [[mercury]]-containing preservative that has been used in some [[vaccines]] and other products since the 1930's. "Thimerosal consists of 49.6% ethyl mercury, an anti-bacterial, anti-fungal that allows manufacturers to sell the vaccine in large, multi-dose containers without fear of contamination."<ref>http://www.jsonline.com/story/index.aspx?id=685311</ref> [[Mercury]] has long been known to be highly toxic. |