U.N. Calls for Probe into Haiti Cholera Outbreak

Dec. 15, 2010: Former U.S. President and UN special envoy to Haiti, Bill Clinton, right, speaks to patients recovering from cholera and their relatives at a cholera treatment center run by Doctors Without Borders in Tabarre, outskirts of Port-au-Prince, Haiti. (AP)

Dec. 15, 2010: Former President and UN special envoy to Haiti, Bill Clinton, waves during his visit to a cholera treatment center run by Doctors Without Borders in Tabarre, on the outskirts of Port-au-Prince, Haiti. (AP)

Dec. 11, 2010: Former Alaska Gov. Sarah Palin, right, shakes hands with a doctor before visiting a cholera treatment center set up by the NGO Samaritan's Purse in Cabaret, Haiti. Palin arrived Saturday in Haiti as part of a brief humanitarian mission in an impoverished nation struggling to overcome post-election violence and a cholera epidemic. Second from right, Rev. Franklin Graham. (AP)

Dec. 12, 2010: Former Alaska Gov. Sarah Palin, left, walks with Rev. Franklin Graham, who runs the aid group Samaritan's Purse, through the Titanyan Global Outreach Samaritan's Purse compound in Cabaret, Haiti. Palin was in Haiti as part of a brief humanitarian mission in the impoverished nation struggling to overcome post-election violence and a cholera epidemic. (AP)

Nov. 8: A woman suffering from cholera symptoms is treated at the St. Nicholas hospital in Saint Marc, Haiti. After at least 20 people died when Hurricane Tomas brushed past the island, officials are now turning their attention back to a worsening cholera epidemic that has killed more than 500 people and hospitalized more than 7,300. (AP)

Nov. 8: Patients suffering cholera symptoms receive treatment at the St. Nicholas hospital in Saint Marc, Haiti. (AP)

Nov. 8: A woman suffering from cholera symptoms is carried by a volunteer at the hospital in Archaie, Haiti. (AP)

Oct. 24: The coffin of Frist Fleurant, 10, who died of cholera, sits atop a motorcycle before his burial in Rossignol, Haiti. A spreading cholera outbreak in rural Haiti threatened to outpace aid groups as they stepped up efforts hoping to keep the disease from reaching the camps of earthquake survivors in Port-au-Prince. Health officials said at least 250 people had died and there are over 3,000 sick.  (AP)

Oct. 24: Two men carry the coffin of Frist Fleurant, 10, who died of cholera, before his burial in Rossignol, Haiti. A spreading cholera outbreak in rural Haiti threatened to outpace aid groups as they stepped up efforts hoping to keep the disease from reaching the camps of earthquake survivors in Port-au-Prince. Health officials said at least 250 people had died and there are over 3,000 sick. (AP)

Oct. 23: A nun from the Missionaries of Charity, founded by Mother Teresa of Calcutta, hangs a serum bag on a tree for patients suffering cholera symptoms in Robine, Haiti. (AP)

Oct. 23: People suffering cholera symptoms rest in a hospital in Grande-Saline, Haiti. (AP)

Oct. 23: A child suffering cholera symptoms cries as she is comforted by a woman at a hospital in Grande-Saline, Haiti. (AP)

Oct. 23: A man suffering cholera symptoms holds his serum bag as he is treated in Robine, Haiti. (AP)

Oct. 23: Women cover their mouths and noses as they wait for their children suffering cholera symptoms to be treated at the hospital in Grande-Saline, Haiti.

Oct. 23: Children suffering cholera symptoms rest on a table at the hospital in Grande-Saline, Haiti. (AP)

Oct. 23: Children suffering cholera symptoms rest at the hospital in Grande-Saline, Haiti. (AP)

Oct. 23: A taxi carries a coffin containing the remains of a person who died of cholera in Grande-Saline, Haiti.

Oct. 23: People carry a coffin containing the remains of a relative who died of cholera in Robine, Haiti. (AP)

Oct. 23: People transport a coffin containing the remains of a relative who died of cholera in Robine, Haiti. (AP)

Oct. 22: The body of a man that doctors say died of cholera is carried into the morgue at the St. Nicholas hospital in Saint Marc, Haiti. (AP)

Oct. 22: A man, suffering from diarrhea and other cholera symptoms, is cleaned by a woman as he lies next to other sick people at the St. Nicholas hospital in Saint Marc, Haiti. (AP)