Hundreds of thousands of genetically modified mosquitoes set to be released into the Florida Keys in experiment to fight dengue fever
The non-biting male mosquitoes genetically modified would pass along a birth defect killing their progeny before reaching maturity After a few generations officials say Key West's Aedes aegypti population would die off reducing risk of dengue fever FL Keys Mosquito Control District: Modified genes will disappear after mosquitoes carrying it die making no permanent change to wild population