International charities warned that, left unchecked, the disease’s spread might exacerbate similar outbreaks across the African region for weeks or months to come.

An ongoing civil war in Sudan has forced millions of people to flee their homes and move to camps, where a lack of water and sanitation infrastructure, along with heavy rains, are fueling a massive cholera outbreak.

A fast-moving cholera outbreak in Sudan’s Darfur region has killed 40 people and sickened more than 2,300 in the past week alone, according to Doctors Without Borders. The medical aid group, also known as Médecins San Frontières or MSF,