The Guardian reported on 26 June that the whereabouts of nearly 300 Ebola-positive people in DRC were unknown, citing concern from Africa CDC director-general Jean Kaseya. WHO's Africa office says DRC is responding to Bundibugyo virus disease in north-eastern Ituri Province, and identifies the episode as the country's 17th Ebola outbreak since the virus was first identified in 1976. The same WHO page says the outbreak was declared on 15 May 2026 and that the WHO director-general determined it constitutes a Public Health Emergency of International Concern.
The label matters, but it is not a magic lever. A Public Health Emergency of International Concern is WHO's highest formal alert under the International Health Regulations; it is meant to sharpen international coordination, financing, surveillance and travel-related risk management. It does not by itself find patients, open roads or secure access to camps.
That is why the missing-patient figure is the centre of the story. Ebola control depends on a chain: isolate known cases, trace contacts, monitor symptoms, vaccinate eligible contacts where a suitable vaccine is available, and bury the dead safely. If that chain breaks at the first link, the rest of the response becomes slower and more expensive. The Guardian's field reporting described the problem as one of insecurity and displacement, not simply administrative failure.
The scale has also moved beyond the earlier official baseline. ReliefWeb's disaster page recorded WHO reporting 676 confirmed DRC cases and 136 deaths as of 10 June. By 25 June, DRC health-ministry figures carried in WHO and ECDC outbreak updates put the count at 1,155 confirmed cases and 304 confirmed deaths. The rise does not mean surveillance is perfect; it shows why a dated count has to be handled as a moving measurement, not a settled total.