By Ben Harder
Ogongo, Kenya–To the crowd’s delight, the dancer wiggles his hips and flails his arms. His bulky, blue costume–an oversized embodiment of a bottle of chlorine solution–lurches comically. In step with a drum-and-guitar accompaniment, other performers masquerade as a water jug and caricatures of a man and a woman. Among
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the audience are Kenyan health workers, local farmers and their children, and two conspicuous white foreigners, medical epidemiologist Rob Quick and me.