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4 June 2026

Ebola Bundibugyo outbreak in DRC and Uganda declared international emergency by WHO

WHO has raised the alarm after reports of multiple suspected deaths and confirmed Bundibugyo cases in the Democratic Republic of Congo and Uganda, prompting cross-border responses and emergency measures

Ebola Bundibugyo outbreak in DRC and Uganda declared international emergency by WHO

The World Health Organization (WHO) has classified the current Ebola event affecting parts of the Democratic Republic of Congo and Uganda as a public health emergency of international concern. Health teams are responding to a cluster of severe illnesses in eastern Ituri province, where local authorities reported an elevated number of fatalities and many suspected cases. The virus identified is the Bundibugyo species of Ebola, a strain for which there are currently no approved strain-specific vaccines or therapies, complicating the public health response.

Local outbreaks have been reported in urban and mining-linked towns, including Bunia, Rwampara and Mongbwalu, and infections have been documented beyond Ituri in locations such as Goma and Kinshasa, as well as across the border in Uganda. Officials have reported roughly 80 suspected community deaths and several hundred suspected illnesses in affected zones, together with at least nine laboratory-confirmed cases across the region. The situation has prompted WHO and partners to rapidly mobilize support and resources to slow transmission and protect communities.

Why this outbreak is attracting international attention

The response has intensified because the Bundibugyo virus differs from the more commonly encountered Ebola strains for which countermeasures exist. WHO has warned that the current pattern of cases, the high positivity rate in early testing and the swift disappearance of patients into local burial and care networks suggest the outbreak could be wider than reported. The affected areas feature dense population movement tied to mining and urban trade, plus security challenges that hinder timely access to patients and complicate contact tracing and safe burial operations.

Transmission, symptoms and risks

Ebola transmits through direct contact with infected bodily fluids or contaminated objects, and the disease can progress quickly from non-specific symptoms to severe organ dysfunction and bleeding. Typical early signs include fever, muscle pain, headache and sore throat, often followed by vomiting and diarrhea; the incubation period can range from two to 21 days. Given these features, health authorities emphasize immediate isolation of confirmed patients and daily monitoring of contacts, with travel restrictions recommended for exposed individuals until 21 days have passed since last exposure.

Operational response and international measures

WHO has deployed expert teams in epidemiology, laboratory diagnostics, infection prevention and control, clinical management, logistics and risk communication to support national and provincial health authorities. In addition to personnel, WHO is airlifting supplies—around 5 metric tonnes of personal protective equipment, laboratory materials, tents and case management items—to support frontline health workers in Bunia and surrounding treatment facilities. National authorities in the Democratic Republic of Congo have activated emergency coordination mechanisms and dispatched rapid response teams to conduct active case finding and contact tracing.

Advice to governments and communities

WHO urges neighboring countries to strengthen surveillance, activate emergency operations centers and implement targeted screening at key crossing points and internal transport routes. At the same time, the agency cautions against blanket border closures or broad trade restrictions, because such measures can drive people into unmonitored crossings and worsen the epidemic response. The Africa Centres for Disease Control and Prevention has requested additional guidance on whether the outbreak constitutes a continental security threat, underscoring regional concern over cross-border spread.

Context and historical perspective

This event marks the seventeenth recorded Ebola episode in the Democratic Republic of Congo since the virus was first identified there in 1976. The Bundibugyo species was originally detected in western Uganda in 2007, where it caused over a hundred confirmed cases and a notable case fatality rate. The DRC has recent experience in managing Ebola responses—the previous outbreak ended in December 2026—and health agencies are drawing on that institutional memory to accelerate containment activities, improve safe patient care and expand laboratory testing capacity.

Authorities remind the public that early detection and supportive care significantly improve outcomes. To help stop transmission, communities are urged to report unexplained febrile illnesses, avoid direct contact with corpses when funerary practices involve touching the deceased, and cooperate with contact tracers and health teams. International partners continue to monitor the situation closely while bolstering supplies, technical expertise and community engagement efforts to reduce further spread of this dangerous virus.

Author

Matteo Galli

Matteo Galli covered the labor demonstration in Piazza Duomo, documenting key moments with photos and minutes; front-page reporter who suggests morning editorial openings. Raised in Milan, brings graphic notes to the newsroom and a collection of theater posters.