DRC's Ebola outbreak passes 100 days as death toll tops 2,500 and WHO panel reconvenes

Sunday marks roughly 100 days since the Ebola outbreak caused by Bundibugyo virus was declared in the Democratic Republic of the Congo, and by every measure available this week, it is still accelerating. DRC's Ministry of Health reported 5,290 confirmed cases and 2,516 deaths as of 19 August — a case fatality ratio near 48% — with 837 patients still hospitalized in isolation and 1,152 recorded recoveries [s1]. The outbreak has become the largest Ebola epidemic in the country's history [s3], and on 18 August, WHO's Director-General told a reconvened emergency committee it is "moving faster than any previous Ebola outbreak" [s2].

The numbers, and where they're concentrated

The virus has now reached six provinces and 56 of the DRC's 151 health zones [s1]. Ituri remains the epicenter by a wide margin, with 4,447 cases and 1,984 deaths across 28 of its 36 health zones. North Kivu has recorded 663 cases and 452 deaths in 12 health zones, and smaller clusters have appeared in Haut-Uélé, Tshopo, South Kivu and Bas-Uélé [s1]. Contact tracing is running behind the spread: 82.9% of identified contacts are currently under follow-up, meaning roughly one in six is not [s1].

WHO's Director-General, speaking as he opened the committee's second meeting, described the epidemic as the second-largest Ebola outbreak ever recorded by case count and said the risk of further national and international spread remains high [s2]. He pointed to insecurity, displacement and heavy population movement along roads, rivers and mining routes as the conditions letting the virus keep moving, and noted a case had already been exported to France [s2]. He called for faster data sharing, enhanced surveillance, sustained financing, and stronger cross-border coordination with the DRC's neighbors [s2].

Why WHO reconvened the committee

The Director-General first determined, on 17 May, that the outbreak constituted a Public Health Emergency of International Concern — the WHO's highest level of alert [s2] [s4]. Under the International Health Regulations, an emergency committee is expected to reassess a PHEIC periodically as the outbreak evolves; the 18 August session was that committee's second meeting since the May declaration [s2]. Three months in, the Director-General's own framing — an outbreak still "far from being under control," with deaths occurring outside treatment centers and among contacts nobody has yet identified — makes clear the emergency designation set in May remains very much in force [s2].

MSF: treatment centers aren't the bottleneck anymore

Doctors Without Borders, which has more than 1,400 staff deployed across the response, marked the 100-day point with a pointed assessment: the epidemic "continues to spread, moving faster than the response can keep up," according to MSF International President Dr. Javid Abdelmoneim [s3]. The organization says more than 60% of recent deaths have occurred outside treatment centers — meaning people are dying before they're ever identified as cases, not because beds are unavailable [s3]. MSF currently runs six Ebola treatment centers with more than 400 beds, about a third of total response capacity, and has treated over 800 confirmed cases among more than 2,000 admissions since the outbreak began [s3].

MSF's argument is that the center-based model that worked in smaller outbreaks doesn't scale to one moving this fast through communities already dealing with conflict, displacement and mistrust of outside responders. Trish Newport, MSF's emergency programme manager in Ituri, said health workers and community leaders need training to detect cases early and refer people safely — capacity MSF says still isn't reaching enough villages [s3]. A community leader in Ituri's Rho displacement camp, Ezrome Kiza Lumani, put it more directly in the same MSF release: "We know our communities and how to reach our people" [s3] — a comment aimed at a response MSF says remains too centralized in fixed facilities.

What's being tested against the virus

There is still no licensed vaccine or approved treatment specific to Bundibugyo virus, unlike the more familiar Zaire ebolavirus species covered by Ervebo. WHO has prioritized testing Ervebo itself in a randomized clinical trial nested inside the ongoing response, on the strength of some cross-reactive protection seen against related Ebola species [s4]. Separately, the PARTNERS treatment trial — testing therapeutic candidates in outbreak conditions — began enrolling patients on 2 July and had enrolled more than 100 confirmed cases across three treatment facilities in Ituri as of WHO's most recent detailed update [s4]. Neither effort is expected to change clinical practice in the near term; both are explicitly framed as trials generating data for future outbreaks as much as this one.

Health workers themselves remain at elevated risk: WHO has documented 155 confirmed cases among health workers since the outbreak began, including 45 deaths [s4].

What to watch next

DRC's Ministry of Health has said its next epidemiological update is due 24 August [s1], which should show whether the roughly 80-case, 40-death daily increments recorded in mid-August are holding, accelerating, or finally slowing. Whether the emergency committee's second meeting produces a published set of revised temporary recommendations — as its first meeting did in May — is also worth watching in the days ahead; WHO had not yet posted that formal statement as of this writing, only the Director-General's opening remarks [s2]. For a region already stretched by conflict and displacement, the practical questions MSF is raising — whether the response can shift resources toward community-level detection fast enough to outrun the virus — may matter more to the trajectory of the next 100 days than any single meeting outcome.

Sources

• Ebola outbreak in the Democratic Republic of the Congo and Uganda — situation update, European Centre for Disease Prevention and Control (citing DRC Ministry of Health data), 21 August 2026
• WHO Director-General's opening remarks at the second IHR Emergency Committee meeting on Bundibugyo virus disease epidemic in the Democratic Republic of the Congo — 18 August 2026, World Health Organization, 18 August 2026
• After 100 days, Ebola response must reach communities faster, Doctors Without Borders / Médecins Sans Frontières, 21 August 2026
• Ebola disease caused by Bundibugyo virus — Democratic Republic of the Congo, World Health Organization (Disease Outbreak News), 14 August 2026