Problem

The US eliminated malaria in 1951. How can it keep it under control now? | CNN Working underground in a biosafety level 3 insectary in Tres Cantos, Madrid, researchers at the pharmaceutical giant GSK were frustrated. Meg Tirrell CNN

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It turned out that the mosquitoes harbored a bacteria that secreted a chemical that inhibits development of the parasites. That meant the team had to shut the colony down for the purposes of research into new malaria drugs — but it also led them to a new potential way to combat malaria.

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