THE LEFT'S LOVE AFFAIR WITH MOSQUITOES:

Genetically engineered mosquitoes may sound like a sci-fi superbug out of a Steven Spielberg film, but these are the real deal. The altered insects are the latest approach to quell the spread of mosquito-borne diseases that claim an estimated 725,000 lives globally each year, not to mention Zika virus, which has spread rapidly in the Americas and causes alarming birth defects--and could turn out to affect the adult brain, too--but seldom kills.

Earlier this month, the Food and Drug Administration approved the first proposed US field trial of genetically modified mosquitoes. The trial is planned to launch in Key Haven, Florida, 161 miles south of the Miami-Dade neighborhood where the nation's first locally transmitted Zika cases have been detected--and five miles from the the heart of Florida's 2009-10 outbreak of dengue, a potentially deadly virus that can be spread by the same mosquito. Local opposition has stalled the release of the altered bugs, even as the Zika virus continues to spread in South Florida. Now residents in this island community will get to weigh in on the fate of the trial via a nonbinding local referendum this November. A majority of the mosquito control commissioners for the Keys, who have final say in the matter, have vowed to side with the locals. If a trial is approved, the mosquitoes could be let loose as early as December.

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