2021 South Sudan disease outbreak
On 14 December 2021, the World Health Organization launched an investigation into an unknown disease that has resulted in at least 89 deaths in Fangak, Jonglei State, South Sudan. History. In early December, 2021, South Sudan's ministry of health reported dozens of deaths due to an unidentified illness. The reports came amidst severe flooding in the region and prompted the World Health Organization (WHO) to send rapid response team to collect samples of the disease. Initial samples tested negative for cholera.