<p>Because DDT is the only insecticide that remains effective for more than a year, Walter Focke of the University of Pretoria in South Africa will investigate how insecticides degrade when applied on an indoor surface. Focke will then study whether combining the insecticide with paint to create a "whitewash" can mitigate this disintegration and enhance stability.</p>


Because DDT is the only insecticide that remains effective for more than a year, Walter Focke of the University of Pretoria in South Africa will investigate how insecticides degrade when applied on an indoor surface. Focke will then study whether combining the insecticide with paint to create a "whitewash" can mitigate this disintegration and enhance stability.

Development of Indoor Spray to Control Malaria Transmission

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.css-1nxq281{overflow:hidden;display:inline-block;}.css-1nxq281 span{display:inline-block;}Great ideas come from everywhere.

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View the Grand Challenges partnership network

Great ideas come from everywhere.