Photo: DDT to Return as Weapon Against Malaria, Experts Say

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Malaria, which threatens millions of human lives around the world, is largely spread by mosquitoes. The insects pass on the malaria parasite via their saliva when they take blood from humans.

Now both the U.S. Agency for International Development and the World Health Organization are promoting use of the widely banned pesticide DDT to combat malaria in developing countries.

Photograph by Jim Gathany, courtesy CDC

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