WHO Declares Ebola Emergency as Cases May Exceed 1,000 Across Central Africa

2026-05-19 region

Central Africa, 19 May 2026
The World Health Organisation has declared an international health emergency as Ebola spreads faster than anticipated across central Africa. Modelling suggests over 1,000 cases may exist, far exceeding the 513 suspected infections officially reported in DR Congo and Uganda. The rare Bundibugyo strain has no approved vaccine or specific treatment, heightening concerns as it reaches major population centres including Goma.

Rapid Escalation Overwhelms Initial Assessments

This outbreak represents a dramatic escalation from the WHO’s initial global emergency declaration, which reported over 300 suspected cases and 88 deaths. Current data shows the situation has deteriorated significantly, with more than 513 Ebola cases now suspected in DR Congo alone as of Tuesday, 18 May 2026 [1]. The death toll has climbed to at least 131 people [1], while one confirmed death has occurred in Uganda [1]. Most alarming, however, is new modelling released on Monday, 17 May 2026, which suggests ‘substantial’ under-detection of cases, potentially exceeding 1,000 infections [1]. Dr Anne Ancia, WHO representative, explained the gravity of the situation: ‘The more we are investigating this outbreak, the more we realise that it has already disseminated at least a little bit across border and also in other provinces’ [1].

Cross-Border Containment Measures Intensify

The outbreak’s cross-border spread has prompted immediate regional responses, with Rwanda closing its borders with DR Congo due to the outbreak [1]. Uganda has implemented precautionary measures, advising its citizens to avoid physical contact such as hugging and shaking hands [1]. The outbreak has now reached South Kivu province in DR Congo and critically, a case has been confirmed in Goma, a major city with approximately 850,000 residents [1]. This urban spread represents a significant escalation, as densely populated areas facilitate faster transmission. On Monday evening, 17 May 2026, DR Congo President Félix Tshisekedi held a crisis meeting and called for ‘calm’ [1], indicating the severity of the situation at the highest levels of government.

International Evacuations and Medical Response

The outbreak’s severity has triggered international medical evacuations, with American doctor Peter Stafford developing symptoms over the weekend of 16-17 May 2026 and being evacuated from DR Congo [1]. The US Centers for Disease Control and Prevention is working to evacuate at least six other exposed Americans [1], highlighting the international reach of the crisis. WHO chief Tedros Adhanom Ghebreyesus stated on approximately 11 May 2026 that he was ‘deeply concerned about the scale and speed of the epidemic’ after declaring the outbreak an international emergency [1]. The current outbreak was first detected on 24 April 2026, though it may have been ongoing for several weeks prior [1], suggesting the true timeline of transmission remains uncertain.

Dangerous Strain Lacks Specific Medical Interventions

The outbreak involves the particularly concerning Bundibugyo virus strain, discovered in 2007 [2][7], for which there are currently no approved strain-specific treatments [7]. This differs markedly from other Ebola strains that have established medical interventions. General Ebola treatments include Ebanga and Inmazeb [2], whilst the Ervebo vaccine has been approved in the United States and European Union for Zaire ebolavirus [2]. However, these interventions are not specifically validated for the Bundibugyo variant currently spreading. In February 2025, vaccine trials against Sudan virus were launched by the International AIDS Vaccine Initiative, Uganda’s Ministry of Health, Makerere University in Kampala, and WHO [2], but no such programme exists for Bundibugyo. The mortality rate for Ebola varies significantly by strain, with Zaire ebolavirus causing approximately 10% mortality, whilst Sudan virus causes death in roughly 50% of infections [2]. The Bundibugyo strain’s lethality remains under assessment as the outbreak continues.

Bronnen

Ebola outbreak WHO warning