Scientists develop new Chikungunya vaccine

(NBC) — Scientists say a newly developed vaccine may help protect Americans 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. For the study, 23 healthy volunteers were given different dosages of the vaccine over a 20-week span.

All of the subjects built up antibodies to the Chikungunya virus for at least 11 months after the final vaccination — even those who got the lowest dose. provides commenting to allow for constructive discussion on the stories we cover. In order to comment here, you acknowledge you have read and agreed to our Terms of Service. Users who violate these terms, including use of vulgar language or racial slurs, will be banned. If you see an inappropriate comment, please flag it for our moderators to review.

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