Bundibugyo Ebola outbreak declared international emergency in DRC, Uganda
On May 15, 2026, health authorities in the Democratic Republic of the Congo and Uganda confirmed a new outbreak of Ebola disease caused by Bundibugyo virus, marking the DRC's 17th Ebola outbreak. As of mid-June, more than 850 confirmed cases and nearly 200 deaths have been reported, primarily in Ituri Province in northeastern DRC. The virus spreads through direct contact with bodily fluids and causes severe symptoms including fever, vomiting, and bleeding. Unlike other Ebola strains, there is no approved vaccine or specific treatment for Bundibugyo virus, making early supportive care critical for survival. The outbreak is occurring in regions affected by armed conflict, displacement, and limited healthcare infrastructure. The World Health Organization declared it a global public health emergency on May 17, triggering international response efforts from the CDC, World Bank, European Union, and humanitarian organizations. Containment remains challenging, with only about 20 percent of contacts being traced effectively. Recent case numbers show sustained transmission and geographic spread, with 31 health zones now affected across three provinces.
Key facts
- 837 confirmed cases reported as of June 15, 2026, with 196 confirmed deaths in DRC; 19 confirmed cases in Uganda with 2 deaths
- Bundibugyo virus has no licensed vaccine or approved specific treatments, unlike other Ebola strains
- Initial outbreak likely began in mid-to-late February 2026, detected in May through high mortality alerts among healthcare workers
- Ituri Province accounts for 767 confirmed cases across 20 health zones; outbreak has spread to North Kivu and South Kivu provinces
- WHO declared outbreak a Public Health Emergency of International Concern on May 17, 2026; Africa CDC declared continental public health emergency on May 18
- Case fatality rate in current outbreak is approximately 18.4 percent; previous Bundibugyo outbreaks had 30-50 percent fatality rates
- Only approximately 20 percent of contacts are being successfully traced due to insecurity and movement restrictions
Limits of this briefing
Coverage is dominated by international health institutions and NGOs with consistent, coordinated perspectives. News sources from distinct political viewpoints or with critical independent analysis of the response are not prominently represented in current coverage. Early projections suggest cases could exceed 20,000 within three months without strong isolation and treatment interventions, but actual outbreak trajectory remains uncertain.
Sources
- World Health Organization: Ebola disease caused by Bundibugyo virus – Democratic Republic of the Congo Centre
- European Centre for Disease Prevention and Control: Ebola disease outbreak in the Democratic Republic of the Congo and Uganda Centre
- U.S. Centers for Disease Control and Prevention: Notes from the Field: Outbreak of Ebola Disease Caused by Bundibugyo Virus Centre
- International Rescue Committee: Ebola outbreak in DRC and Uganda: What you need to know Centre
- New York Academy of Sciences: Ebola's Warning Shot: The Bundibugyo Outbreak Is Moving Faster Than the World's Response Centre