Dr. G. Michael Lemole, Jr., left, looks on as Dr. Peter Rhee talks about the condition of U.S. Rep. Gabrielle Giffords (D-AZ), at University Medical Center during a news conference in Tucson, Ariz., Monday, Jan. 10, 2011. Matt York/AP hide caption

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Sick cholera victims and families wait at St. Nicolas Hospital in Saint-Marc, north of Port-au-Prince. Saint-Marc residents burned down nearby tents Wednesday that were supposed to relieve pressure on the hospital. Thony Belizaire/AFP/Getty Images hide caption

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