A fast-spreading cholera outbreak has hit Sudan, killing 172 people, with more than 2,500 others becoming ill in the past week. Centered around Khartoum, the disease has spread as many Sudanese who had fled the country’s war return to their homes in the capital and its twin city of Omdurman.

Most people with cholera have mild symptoms or none at all. However, the disease can be a fatal if it causes severe diarrhoea, requiring antibiotics and IV fluids for treatment, a