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Does our seasonal flu shot have mercury in it?

Is the seasonal flu shot unsafe?


Asked by Anonymous at 8:52 PM on Nov. 15, 2009 in Health

This question is closed.
Answers (2)
  • All shots in the US are allowed to contain a mercury based preservative called thimerosal. This chemical is banned in the EU.

    Some shots come a in "preservative free" variety at your request. Not all shots are available this way. If you are concerned about mercury in your vaccines, request the preservative free kind or don't get them.

    The seasonal flu vac usually contains thimerosal. The thimerosal free version is often available but must be ordered. More thimerosal is needed in combo vacs to keep the different strains from interacting with one another.

    Answer by ecodani at 8:55 PM on Nov. 15, 2009

  • It is my understanding that the seasonal flu vaccine does not have mercury and the multi-dose H1N1 vaccine does. Read the insert at the doctor's office to be certain.

    Answer by rkoloms at 9:43 PM on Nov. 15, 2009