Omdurman is a major city in Sudan. It is the second most populous city in the country, located in the State of Khartoum. Omdurman lies on the west bank of the River Nile, opposite and northwest of the capital city of Khartoum. From Wikipedia
Strained health services have failed to contain a cholera outbreak that climbed 80 percent in Khartoum state over the past two weeks