The ongoing Ebola outbreak in the Democratic Republic of Congo has crossed into a seventh province, reaching Sud-Ubangi in the country’s northwest, according to local authorities. The spread marks a significant geographic shift for an epidemic that has largely concentrated in the nation’s eastern region, raising fresh concerns among public health officials monitoring the crisis.
Sud-Ubangi Case Confirms Rare Strain Spread
Laboratory tests conducted by Congo’s national research institute identified the Bundibugyo virus in a sample taken from the Bulu health district in Sud-Ubangi, according to a statement issued by provincial governor Jean-René Galekwa Vundawe. The detection makes Sud-Ubangi the seventh province affected by the current outbreak and the first in western Congo. While a single case was detected in the capital of Kinshasa in May involving a traveler from the east, the capital was not classified as an officially affected province at the time.
The outbreak involves the Bundibugyo virus, a rare strain of the Ebola virus that differs from the Zaire species responsible for past major epidemics. Sud-Ubangi shares a border with the Central African Republic but does not border any of the six eastern provinces previously hit by the virus, which include Ituri, North Kivu, South Kivu, Haut-Uele, Tshopo, and Bas-Uele.
Caseload and Regional Trajectory
Government figures place the cumulative toll at 6,942 cases and 3,349 deaths. The World Health Organization has characterized the epidemic as out of control, noting that it is tracking toward surpassing the 2014–2016 West Africa outbreak—the deadliest on record—which claimed more than 11,000 lives primarily across Guinea, Liberia, and Sierra Leone.
While new infections and deaths have slowed in Ituri province, which served as the outbreak’s epicenter, transmission rates have accelerated sharply in neighboring North Kivu and Haut-Uele. International response efforts continue under severe operational constraints, complicated by regional insecurity, population displacement, a health workers’ strike, and crowded conditions at displacement camps.
Vaccination Efforts and Neighboring Risks
Health agencies are scaling up containment measures, including clinical trials for vaccines targeting the Bundibugyo strain. Placide Mbala Kingebeni, Africa CDC’s director for research, clinical trials, and innovation, reported that vaccination trials are underway in eastern Tshopo, Haut-Uele, and Bas-Uele provinces. Last month, authorities also began administering the Ervebo vaccine—proven effective against the Zaire strain—to front-line health workers.
The World Health Organization warned last month that the virus carries a persistent risk of spilling over into neighboring countries, specifically the Central African Republic and South Sudan. Meanwhile, Uganda declared itself free of Ebola in July following a brief cluster of 20 cases detected earlier in May.
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