Joel Biddle, a Key West, Fla., resident who contracted dengue fever, opposes a plan to release genetically modified Aedes aegypti mosquitoes to control the spread of the disease. (AP Photo/Wilfredo Lee)

Photo by: Wilfredo Lee

Joel Biddle, a Key West, Fla., resident who contracted dengue fever, opposes a plan to release genetically modified Aedes aegypti mosquitoes to control the spread of the disease. (AP Photo/Wilfredo Lee)