1.
A concentration of 1:10,000 is
equivalent to a 0.01% concentration
and contains 25 mcg of Hg per 0.5
mL.. Thimerosal is approximately 50%
Hg by weight.
*
This product should be considered
equivalent to thimerosal-free
products. This vaccine may contain
trace amounts (<0.3 mcg) of mercury
left after post-production
thimerosal removal; these amounts
have no biological effect. JAMA
1999;282(18) and JAMA 2000;283(16).