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A young refugee who fled Burundi's violence and political tension looks at the shore line as he makes the journey on Lake Tanganyika, ,Tanzania from Kagunga to the port city of Kigoma in a ship freighted by the UN Saturday May 23, 2015. An outbreak of cholera has infected 3,000 people in a Tanzanian border region where refugees fleeing political unrest in Burundi have massed, the U.N. Refugee Agency said Friday, May 22, 2015. Some 300 to 400 new cases of cholera are being reported daily. At least 31 people — 29 refugees and two Tanzanians — already have died of the disease, according to UNHCR. More than 64,000 Burundians have fled to Tanzania in recent weeks, UNHCR said, escaping the unrest sparked by their president's bid for a third term that many say is unconstitutional. (KEYSTONE/AP Photo/Jerome Delay)