Dengue fever patients are treated in a hospital in Asuncion, Paraguay, in January.
Norberto Duarte/AFP/Getty Images
April 8, 2013 There could be as many as 400 million dengue infections worldwide each year, making it more common than malaria, according to a new study. One reason for the huge increase in estimated infections is that dengue has been spreading far and wide to regions outside the tropics.
If you catch dengue fever in the Western Hemisphere, it most likely came from the Aedes aegypti mosquito.
Muhammad Mahdi Karim /Wikimedia.org
March 13, 2013 Decades after its eradication, the "breakbone fever" has become endemic again in the Florida Keys. Scientists say that Floridians infected during a recent outbreak didn't catch the virus abroad but rather got a dengue strain that's unique to Key West.
A health worker in the Domincan Republic sprays insecticide between houses to stop dengue fever outbreaks this month.
Erika Santelices/AFP/Getty Images
September 10, 2012 In a study with about 4,000 Thai schoolchildren, a vaccine for dengue fever works well against some strains of the dengue virus. But the overall level of protection was lower than hoped for. The results suggest that a vaccine for dengue fever can be developed eventually.
January 27, 2012 Dengue fever cases are soaring worldwide, according to the World Health Organization. They're also hitting closer to home. Two locally acquired cases were reported in Miami last year, and public health experts say we should expect more.
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
August 25, 2011 Scientists infected hundreds of thousands of mosquitoes with a mild strain of a bacterium. They believe that once mosquitoes are sick from the infection, they can't spread the dengue virus to humans.
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