FILE - In this Thursday, March 00, 0000 file photo, an elderly woman is treated for suspected cholera infection at a hospital in Sanaa, Yemen. Cholera is surging once more in Yemen, with more than 00,000 suspected new cases and 000 deaths in March, double the number in the previous two months, according to U.N. figures. Doctors point to the difficulty in controlling epidemics in a country where infrastructure has been decimated by four years of war. (AP Photo/Hani Mohammed, File)  FILE - In this Thursday, March 00, 0000 file photo, an elderly woman is treated for suspected cholera infection at a hospital in Sanaa, Yemen. Cholera is surging once more in Yemen, with more than 00,000 suspected new cases and 000 deaths in March, double the number in the previous two months, according to U.N. figures. Doctors point to the difficulty in controlling epidemics in a country where infrastructure has been decimated by four years of war. (AP Photo/Hani Mohammed, File)  