On 16 May 2026, following laboratory confirmation of Bundibugyo virus disease (BVD), the WHO Director-General determined that the outbreak constituted a Public Health Emergency of International Concern (PHEIC) under the International Health Regulations (2005). As of 20 August 2026, the Democratic Republic of the Congo has reported 5,375 cumulative symptomatic cases and 2,557 cumulative deaths (case-fatality ratio approximately 48%) across 56 health zones spanning six provinces. Uganda has reported 20 laboratory-confirmed cases including 2 deaths.
The Epistorm center at Northeastern University, supported by the CDC CFA Insight Net program, is providing quantitative risk assessments and analytical outputs in response to this outbreak. This hub aggregates all reports and analyses produced and is updated as the situation evolves.