A swine flu vaccine expected this fall is raising red flags because it will likely contain a preservative some link to autism despite scientific research repeatedly proving otherwise.

Government officials say they hope to have 160 million doses of a vaccine for swine flu, or H1N1, available by the fall when flu season is expected to kick in. A vaccine is currently going through clinical trials. Pregnant women, children and health care workers will be the first to be vaccinated.

Scientists say the swine flu vaccine will be similar to the flu vaccines provided annually with little fanfare. However, some consumer groups are reserved about the new vaccine because of the possibility that it could contain thimerosal in combination with a second additive in an effort to produce large quantities more quickly.

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Furthermore, a vaccine offered to combat a different strain of the swine flu in the 1970s is linked to increased incidents of a neurological disorder.

But makers of the vaccine say they anticiptate manufacturing two versions, one with and one without thimerosal, which ought to ease some fears, reports ABC News. To read more click here.

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