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Step 1
Know which vaccines contain thimerosal, a mercury-based preservative. Only the injectable version of the swine flu vaccine contains thimerosal, so avoiding a swine flu shot will prevent any exposure to mercury while trying to avoid infection from the H1N1 virus.
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Step 2
Find out the type of formulation. Thimerosal is typically used as a preservative in multi-dose formulations of the swine flu vaccine. Single-dose formulations typically do not require the use of a preservative.
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Step 3
Read the package insert. If you are still in doubt, ask to read the package insert prior to accepting a swine flu shot. The patient information included with the swine flu vaccine will provide full disclosure on the contents of the vaccine and potential side effects.











