Orbis Signal · Health
May 24, 2026 · Evening edition
An outbreak of Ebola caused by the Bundibugyo strain is escalating in eastern Democratic Republic of Congo (DRC) and neighbouring Uganda, with reports indicating more than 200 suspected deaths and cases spreading into rebel-held areas that are complicating public-health responses.
Local transmission has been reported in zones affected by armed conflict, hampering access for health teams and making contact tracing and case management more difficult. Authorities and international observers have warned that the involvement of hard-to-reach areas increases the challenge of containing the outbreak.
The World Health Organization (WHO) has raised the international alarm on the situation, declaring the event a Public Health Emergency of International Concern and elevating the risk level for the DRC to "very high." Public-health officials have highlighted a critical gap in medical countermeasures: the Bundibugyo strain currently has no approved vaccine or specific antiviral treatment, limiting clinical options and increasing reliance on traditional containment measures such as isolation and infection prevention.
The combination of an expanding geographic footprint, violent insecurity, and the absence of approved vaccines or targeted therapies has led WHO and other agencies to call for urgent, coordinated action to slow transmission and protect health services in affected communities.
Reporting and source material for this article are dated May 24, 2026.