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A member asked:
Is it true that the flu shot has a lot of mercury in it? also, any chance it can give you flu like symptoms or the actual flu?
A doctor has provided 1 answer
Flu vaccine : Thimerosal is a mercury-based preservative. Some vaccines produced in multi-dose vials, have thimerosal to protect against contamination of the vial. Single-dose units are without thimerosal, because they are opened and used only once. The nasal spray vaccine, is also in single-dose units and doesn't have thimerosal. It's possible to get flu-like symptoms from vaccine, but actual flu is very rare
Answered 10/9/2014
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