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on H1N What?
The FluMist nasal spray vaccine does not contain thimerosol and thus doesn't have mercury in it. (For more info, see http://www.cdc.gov/FLU/about/qa/nasalspray.htm) This is the case with either the seasonal FluMist or the new H1N1 FluMist.
However, you should know that the nasal flu vaccine is not appropriate for many people who could benefit from a flu vaccine. This is because it contains modified, weakened live flu rather than the killed flu used in vaccines given by injection. For example, the nasal mist is not recommended for pregnant women or those 50 years old or more. Perhaps most importantly, it is recommended for "healthy" people, specifically excluding those with "an underlying medical condition that predisposes them to influenza complications". This means that many of the people who could most benefit from a vaccination can't receive the nasal mist version.
If you're concerned about thimerosol, be aware that injectable flu vaccine (either seasonal or H1N1) is made both with and without thimerosol. With multi-dose vials, you have to make sure that there won't be bacterial contamination of the vial. Because thimerosol is of greatest concern for pregnant women and the babies they're carrying, flu vaccine is also available without thimerosol in single-use pre-filled syringes.
posted 3 years, 7 months ago
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