Thimerosal does not stay in the body a long time so it does not build up and reach harmful levels. When thimerosal enters the body, it breaks down to ethylmercury and thiosalicylate, which are readily eliminated.
and
Influenza (flu) vaccines are currently available in both thimerosal-containing (for multi-dose vaccine vials) and thimerosal-free versions.
the point
how much is needed to cause autism?
The point is to not be half-ass your way to middle ground fallacies. When you promote this muddying of water, you’re doing their work.
And is the dose of mercury in the old vaccines enough to do cause such effects?
Probably not, but exposure is cumulative.
Modern vaccines with mercury used in the 3rd world are not considered to be a high dose.
50 micrograms/litre of blood is considered dangerous.
But the point being examined here is perception. Not actual danger.
hmmm https://www.cdc.gov/vaccinesafety/concerns/thimerosal/
and
how much is needed to cause autism?
The point is to not be half-ass your way to middle ground fallacies. When you promote this muddying of water, you’re doing their work.