This article is part of a developing story.

See latest updates

Ebola outbreak confirmed in DR Congo’s Kasaï province

With 20 Ebola cases so far, this is the 16th outbreak of the disease to be confirmed since it was first identified in the country in 1976.

MSF staff set up infection control at an ebola treatment center in DR Congo.

MSF staff support infection control measures outside an Ebola treatment center in DR Congo. | DR Congo 2025 © MSF

The Ministry of Health of the Democratic Republic of Congo (DRC) officially declared a new outbreak of Ebola in the Bulape health zone, part of Mweka territory, in Kasaï province on September 4. 

Kasaï province, in southern central DRC, is difficult to access, with poor road conditions, no cargo airport, and limited electricity—factors that are severely complicating the response.

In coordination with the Congolese Ministry of Health and alongside the World Health Organization (WHO), Doctors Without Borders/Médecins Sans Frontières (MSF) rapidly mobilized teams and joined a multi-agency emergency mission to the area to assess the situation and support immediate response efforts.

As of September 9, national health authorities reported more than 20 confirmed cases and 16 deaths, with several health workers among the victims. This marks the 16th Ebola outbreak in DRC since the virus was first identified in the country in 1976.

MSF staff member stands next to ebola treatment center in Democratic Republic of Congo.
The Congolese Ministry of Health, WHO, and MSF have rapidly mobilized teams to the area to assess the situation and support immediate response efforts since a new outbreak of Ebola was declared on September 4, 2025. | DR Congo 2025 © MSF

Launching a rapid and coordinated Ebola response

“Our teams began supporting the General Referral Hospital in Bulape almost immediately,” says Brice de le Vingne, MSF emergency coordinator. “We helped reinforce triage protocols, supplied essential medicines and personal protective equipment, and conducted training in infection prevention and control (IPC) and symptomatic care.”

MSF and WHO established an Ebola treatment center within the hospital compound, and this week the facility began admitting its first patients. The Ministry of Health, MSF, and WHO teams are jointly providing care.

In addition, MSF teams have visited surrounding health facilities to strengthen IPC protocols and train health care workers in how to respond safely and effectively to suspected Ebola cases.

“Currently, a dozen MSF staff are present in Bulape, and we are sending in more people and tons of medical materials,” says de le Vingne. “We’re working hand in hand with Congolese health authorities to evaluate needs on the ground and determine where our support might also be required—such as in surveillance, community engagement, or vaccination.”

MSF staff support infection control efforts in DR Congo.
MSF staff are supporting an Ebola treatment center, and are working to train health care workers on how to respond safely and effectively to suspected Ebola cases. | DR Congo 2025 © MSF

A critical window for vaccination and treatment

The WHO has confirmed that 2,000 Ebola vaccine doses are currently available in the country, with additional shipments expected in the coming days. MSF stands ready to support vaccination efforts if requested by health authorities.

“This outbreak is a reminder of the threat posed by Ebola in DRC,” says Hilde De Clerck, MSF infectious diseases specialist. “Fortunately, progress in recent years has led to improved treatments, but this hemorrhagic fever can still be fatal for most infected patients without timely and appropriate care. Ensuring access to both treatment and vaccines is essential.”

Ebola is transmitted to humans through direct contact with blood, secretions, organs, or other bodily fluids of infected animals. Human-to-human transmission occurs through close contact with the bodily fluids of infected individuals, particularly via mucous membranes such as the mouth or nose.

This is not the first time Mweka territory has faced an Ebola outbreak—MSF also supported responses to previous outbreaks in the area in 2007 and 2008.

Conflict in DR Congo: What’s happening & how to help