A C.D.C. Committee Just Voted Against Flu Shots With This Preservative. Is It Safe? Here’s what the science shows about the preservative, thimerosal.

The amount in some flu vaccines is roughly equivalent to the amount of mercury found in a three-ounce can of tuna fish.

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overall, autism rates did not decline after thimerosal was removed from the vaccines, as many anti-vaccine groups suggested it would. Instead, the rates increased.