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PBS News Hour
Florida has a dengue problem. More mosquitoes may solve it
=In a major milestone, the World Health Organization endorsed widespread use of a vaccine aimed at stemming the effects of the parasitic disease malaria, particularly in sub-Saharan Africa. Miles O'Brien looks at efforts to tackle other diseases carried by mosquitoes in the Florida Keys, where scientists are testing a way to kill mosquitoes — with mosquitoes.
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