Aug 15, 2014 7:29 AM by Lindsay MacLeod, KSBY News
Scientists say a newly developed vaccine may protect people against the Chikungunya virus.
The mosquito-borne illness, which causes severe joint pain, headache, and fever, has spread to the United States over the past year.
In a study, 23 healthy volunteers were given different dosages of the vaccine over a 20-week span.
All of them built up antibodies to the Chikungunya virus for at least 11 months after the final vaccination, including those who got the lowest dose.
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