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Don't bite me: The female of a mosquito called Aedes aegypti can transmit yellow fever, dengue fever and chikungunya. David Scharf/Science Source hide caption

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David Scharf/Science Source

Chikungunya, A Mosquito-Borne Virus, Might Be Scarier Than We Thought

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Christopher Doll releases fish into the water of a neglected pool to kill mosquitoes that might carry West Nile Virus in Concord, Calif., in 2009. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images