As Haiti fights a cholera outbreak in its river valley region, all eyes turn to Port-au-Prince where over a million displaced people still live in cramped, unsanitary tent cities. We talk with Ian Rawson, managing director of Hopital Albert Schweitzer in Deschapelles, Haiti, and Dr. Joia Mukherjee, chief medical officer of Partners in Health, about what they're seeing and what could happen if cholera reaches the camps.

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