GM mosquitoes succeed at reducing dengue, company says

Brazil stats show fewer cases of virus where genetically sterilized males were released

Piracicaba, Brazil

FLY ZONE  In Piracicaba, Brazil, in February, a scientist releases mosquitoes genetically engineered to pass on DNA that kills off future offspring before they get a chance to bite. The goal is to reduce the incidence of such mosquito-borne diseases as dengue.

Victor Moriyama/Getty Images

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