Ebola virus disease outbreak in the DRC

On 4 September 2025, the Democratic Republic of the Congo declared an outbreak of Ebola virus disease in the country’s Kasai Province where a cluster of cases and deaths had been reported. Samples tested on 3 September at the country’s National Institute of Biomedical Research in the capital Kinshasa confirmed the cause of the illness and fatalities as Ebola Zaire caused by Ebola virus disease.