Nearly 100 people died of cholera in two weeks since the waterborne disease outbreak began in Sudan’s White Nile State, an international aid group said.

Of the cholera patients who died, 18 were children, including five no older than 5 and five others no older than 9, Marta Cazorla, MSF emergency coordinator for Sudan, told The Associated Press. Sudan plunged into war nearly two years ago when tensions simmered between the Sudanese army and its rival paramilitary Rapid Support Forces group,