Weakened by sickness and malnutrition, Arbty Mohammad, 2, lies in the Banadir Hospital on August 12, 2011 in Mogadishu, Somalia. Some 100,000 Somalis have flooded into Mogadishu from drought and famine stricken areas of the country. The UN warned Friday that a cholera epidemic could spread through Mogadishu, as Somalis fill unsanitary makeshift camps throughout the capital. (Photo by John Moore/Getty Images)

Displaced by drought and famine, a woman enters the Banadir Hospital on August 12, 2011 in Mogadishu, Somalia. (Photo by John Moore/Getty Images)

Suffering from severe malnutrition and diarrhea, Fatima, 7, lies on the floor in the overcrowded Banadir Hospital on August 12, 2011 in Mogadishu, Somalia. (Photo by John Moore/Getty Images)

Malnourished and weak, Sacdiyo Ali, 3, drinks in the overcrowded Banadir Hospital on August 12, 2011 in Mogadishu, Somalia. (Photo by John Moore/Getty Images)

Displaced by drought and famine, Hawi, 10, holds her baby sister Hawi, 3 months, in her makeshift hut at a camp for internally displaced Somalis on August 12, 2011 in Mogadishu, Somalia. (Photo by John Moore/Getty Images)

Armed guards stand outside the Banadir Hospital on August 12, 2011 in Mogadishu, Somalia. (Photo by John Moore/Getty Images)

A child weeps after arriving with a group of displaced Somalis to the Banadir Hospital on August 12, 2011 in Mogadishu, Somalia. (Photo by John Moore/Getty Images)

Sara Bulale, 63, digs a hole while constructing a hut in a makeshift camp for Somalis displaced by drought and famine on August 13, 2011 in Mogadishu, Somalia. (Photo by John Moore/Getty Images)

Hani Fodey Ali, 30, holds her severely malnourished daughter Farhia Abdulla at the Banadir hospital on August 14, 2011 in Mogadishu, Somalia. Hospitals in Mogadishu have been overwhelmed with new arrivals, as thousands of Somalis, displaced by famine and drought, flood into the capital. The US government estimates that some 30,000 children have died in southern Somalia in the last 90 days due to famine and drought. (Photo by John Moore/Getty Images)

Women and children receive food aid on August 14, 2011 in Mogadishu, Somalia. A local Somali agency distributes cooked porridge from World Food Progam to hundreds of women and children at a distrubution center near the Mogadishu airport. The WFP, however, has had difficulty distributing aid to camps for those affected by famine and drought located farther from secure areas near the airport. More than 100,000 people have flooded into Mogadishu, fleeing drought conditions in southern Somalia. (Photo by John Moore/Getty Images)

Halima Hassan holds her severely malnourished son Abdulrahman Abshir, 7 months, at the Banadir hospital on August 14, 2011 in Mogadishu, Somalia. (Photo by John Moore/Getty Images)

A nurse weighs a sick and malnourished child at the Banadir hospital on August 14, 2011 in Mogadishu, Somalia. (Photo by John Moore/Getty Images)

A nurse writes a prescription after weighing a sick and malnourished child at the Banadir hospital on August 14, 2011 in Mogadishu, Somalia. (Photo by John Moore/Getty Images)

A mother waits to have her children weighed at the Banadir hospital on August 14, 2011 in Mogadishu, Somalia. (Photo by John Moore/Getty Images)

A security guard strikes women while brusquely pushing back a crowd waiting to take cooked food from a feeding center on August 16, 2011 in Mogadishu, Somalia. The center, which serves up cooked meals prepared from World Food Program aid, helps feed thousands of Somalis who have fled famine and drought in the countryside and have settled in makeshift camps throughout the Mogadishu. (Photo by John Moore/Getty Images)

Mariam Jele, 3, gets her hair washed by her father in a camp for Somalis displaced by drought and famine on August 15, 2011 in Mogadishu, Somalia. The United Nations estimates that a 1.5 million Somalis are displaced within the country and more than 100,000 of them have fled to Mogadishu in the last months due to the crisis. (Photo by John Moore/Getty Images)