How Much Mercury Is In Fish Compared To Vaccines

How much mercury is in tdap? The vaccine contains a trace amount of thimerosal (not as a preservative) from the manufacturing process [≤0.3 micrograms (μg) mercury/dose]. Is there mercury in vaccines in Canada? Such vaccines are typically those supplied in multi-dose vials with thimerosal added in varying concentrations to prevent contamination with other serious infectious…