Vaccine years away from approval

August 15, 2014 6:32 AM

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Vaccine years away from approval

Infection with the virus, spread by two mosquito species, typically is not fatal but can cause debilitating symptoms including fever, headache and severe joint pain lasting weeks or months.

Washington - An experimental vaccine being developed by US government scientists to prevent the painful mosquito-borne viral disease chikungunya has shown promise in its first human trials but remains years away from approval for widespread use.

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