On 17 October 2017, the Ugandan Ministry of Health (MoH) notified WHO of a confirmed outbreak of Marburg Virus Disease in Kween District, Eastern Uganda. The MoH officially declared the outbreak on 19 October 2017. As of 14 November, three cases have been reported including two confirmed cases, and one probable case. All three cases have died, resulting in a case fatality rate of 100%. The cases were epidemiologically linked and all belong to the same family.