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Malaria parasites were first identified in human blood cells in 1880. Surveying a history of eradication efforts since then can feel like viewing a "You Are There" newsreel. We see test tubes and derring-do, improbable breakthroughs and scalding setbacks, good intentions and missed chances -- all set against a backdrop of brown skin, thatched roofs, and the incessant hum of the mosquito. What has changed? Today the concentration of international money and expertise uniting to confront malaria is unprecedented. It is as if a global indignation has set in -- part shame, part sputtering disbelief -- over our failure to relieve Africa, for all its woes, of this signature plague.
Not long ago, the late and esteemed Harvard entomologist Andrew Spielman was asked to name one item he would, if he could, supply to every malarial village in Africa. Spielman's unhesitating reply? A cement mixer -- for drainage canals, of course. They could certainly use one in Nyabondo, where the dirt trenches require constant upkeep.
What's been missing from this fight is long-term investment and a commitment by national authorities to programs that address the specific needs of affected communities. So, for now and the foreseeable future, DDT will continue to play some role as a front-line weapon in the malaria wars. But it is also a distraction. DDT won't pave a watercourse or feed a child or provide a job, and at the end of the day, malaria is a development issue. How well we understand this may determine whether the current crusade produces merely one more spool for the newsreel, or -- at long last -- an epic denouement.

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