... diseases, and vaccine safety: ... levels of ethylmercury in vaccines are broken  down by the body ... is used as a preservative in multi-dose vials of flu vaccines,  and in two ... reformulated to leave out thimerosal without threatening their safety, .
Mercury is a highly toxic element; there is no known safe level of exposure. ... to  as thimerosal in the USA), which is used as a preservative in some vaccines.
Thimerosal is a mercury-based preservative that has been used for decades in ...  stay in the body a long time so it does not build up and reach harmful levels.
Feb 2, 2018 ... Vaccines that do not contain thimerosal as a preservative are also available for ...  Since the 1930s, it has been widely used as a preservative in a number of ... At  high exposure levels methylmercury can be toxic to people.
Mar 31, 2017 ... Ethylmercury is used as a preservative in some vaccines and does not pose a ....  mercury-containing products and implement safe handling, use and ... there is no  evidence that the amount of thiomersal used in vaccines ...
Mercury is used in vaccines, and there is no safe level of mercury.