The chikunguyna virus was discovered in 1955 by two scientists in Tanzania. EMDataBank using UCSF Chimera hide caption

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Inspector Mohammad Saleem Taqi takes a photo of sanitation workers as they clear out debris in sewers. The government feeds the photos into a map to track the city's effort to stop dengue fever. Beenish Ahmed/NPR hide caption

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How Smartphones Became Vital Tools Against Dengue In Pakistan
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In 2010, Florida health officials looked for mosquito larvae in vehicle tires where water had collected. As many as 15 cases have been found in Stuart this year. Joe Raedle/Getty Images hide caption

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Florida Officials Swat At Mosquitoes With Dengue Fever
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Dengue fever patients are treated in a hospital in Asuncion, Paraguay, in January. Norberto Duarte/AFP/Getty Images hide caption

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If you catch dengue fever in the Western Hemisphere, it most likely came from the Aedes aegypti mosquito. Muhammad Mahdi Karim /Wikimedia.org hide caption

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A health worker in the Domincan Republic sprays insecticide between houses to stop dengue fever outbreaks this month. Erika Santelices/AFP/Getty Images hide caption

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Researchers hope to keep the mosquito that transmits dengue, Aedes aegypti, from infecting humans using the Wolbachia bacterium. James Gathany/CDC Public Health Image Library hide caption

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Better You Than Me: Scientists Sicken Mosquitoes To Stop Dengue
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