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Ebola Outbreak in Eastern DRC and Uganda: An Ongoing Public Health Emergency

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Ebola Outbreak 2026: DRC & Uganda Battle Rare Bundibugyo Virus

A deadly outbreak of the rare Bundibugyo Ebola strain has spread across eastern DRC and into Uganda, with no approved vaccine or treatment available.

Situation Overview

Case and Death Toll

The outbreak has evolved rapidly, with numbers climbing steadily across multiple reporting periods.

Democratic Republic of the Congo (DRC):

  • Late May 2026: Over 1,000 suspected cases and 246 suspected deaths
  • Late June 2026: 1,003 confirmed cases and 254 deaths
  • Latest WHO data: Over 1,300 confirmed cases and over 370 confirmed deaths

The epicenter remains Ituri province, which accounts for over 90% of confirmed cases. Other affected provinces include North Kivu, South Kivu, and Haut-Uele.

Uganda:

  • 19–20 confirmed cases and two deaths as of late June 2026
  • Cases primarily linked to cross-border transmission from the DRC
  • Secondary transmission documented among contacts and healthcare workers

Geographic Spread

The outbreak is concentrated in eastern DRC, with spillover into Uganda.

DRC Affected Areas:

  • Ituri Province (epicenter) — Bunia, Rwampara, and Mongbwalu health zones hardest hit
  • North Kivu Province — Multiple health zones, including the city of Goma
  • South Kivu Province — Including the city of Bukavu
  • Haut-Uele Province — One case linked to travel from Bunia

Uganda: Cases have been reported in the capital, Kampala, and other districts.

Virus & Disease Characteristics

The Pathogen

This outbreak is caused by the Bundibugyo virus, a species of Orthoebolavirus. It is only the third recorded outbreak of this strain, following outbreaks in Uganda (2007–2008) and the DRC (2012).

No licensed vaccines or specific treatments exist for the Bundibugyo strain.

Past outbreaks of this strain have carried case fatality rates (CFR) ranging from approximately 25% to 50%.

Transmission & Symptoms

Transmission:
The virus spreads through direct contact with blood or bodily fluids (vomit, diarrhea, urine, semen, sweat) of an infected person—living or dead. It can also spread via contaminated objects like needles or medical equipment. Fruit bats are the suspected natural reservoir.

Symptoms:

  • Early: Sudden fever, fatigue, muscle pain, headache, sore throat
  • Progression: Vomiting, diarrhea, abdominal pain, rash
  • Severe: Impaired kidney and liver function; internal and external bleeding in some cases

Incubation period: 2 to 21 days

Response, Challenges & International Reaction

Response Measures

Health authorities, supported by WHO, Africa CDC, and international partners, are implementing a multi-pronged response:

  • Surveillance & Contact Tracing: Identifying, isolating, and testing suspected cases; monitoring contacts
  • Treatment Centers: Facilities established or under construction; over 500 beds now available
  • Laboratory Testing: Diagnostic capacity scaled up; platforms like RADI-One deployed to detect the Bundibugyo strain
  • Infection Prevention & Control: Strict protocols for healthcare settings and safe burials; funeral wakes and gatherings of more than 50 people banned in some areas
  • Community Engagement: Public health campaigns promoting hand washing, safe burials, and early medical care
  • Clinical Trials: Efforts underway to expedite trials for candidate vaccines (IAVI, Oxford, Moderna) and treatments (obeldesivir, monoclonal antibody MBP134)
  • Cross-Border Coordination: Enhanced surveillance at points of entry

Key Challenges

The response is severely hampered by a combination of factors:

  • Delayed Detection: The outbreak circulated for weeks before detection. Initial diagnostic tests were designed for the more common Zaire strain, and samples had to be sent to Kinshasa for confirmation.

  • No Approved Vaccine or Treatment: Unlike the Zaire strain, there is no approved vaccine or specific treatment. Response relies entirely on supportive care—rehydration and symptom management.

  • Armed Conflict & Insecurity: The region has a long history of armed conflict involving M23, the Allied Democratic Forces (ADF), and others. Insecurity restricts access for health teams, hampers contact tracing and sample transport, and has led to attacks on healthcare facilities.

  • Community Mistrust: Significant distrust of health authorities and international responders—fueled by misinformation and fear—has led to resistance, attacks on health centers, and refusal of safe burials. Cultural burial practices often conflict with infection control protocols.

  • Funding Shortfalls: The response is critically underfunded. A significant gap exists between pledges (over $900 million) and actual disbursements. Cuts to international aid—including the dismantling of USAID and the US withdrawal from WHO—have weakened response capacity.

  • Displacement & Weak Infrastructure: Over one million people are internally displaced in Ituri province alone, living in overcrowded camps with poor sanitation. The region's healthcare infrastructure is already weak and under severe strain.

International Reactions & Measures

  • WHO: Declared the outbreak a Public Health Emergency of International Concern (PHEIC). Raised the national risk assessment for the DRC to "very high," with "high" for the region and "low" globally. WHO Director-General Tedros Ghebreyesus visited the DRC and called for a ceasefire.

  • United States: CDC activated a Level 1 response. The US imposed travel restrictions, barring entry to non-US passport holders who had been in the DRC, Uganda, or South Sudan within 21 days. Returning US citizens were funneled through designated airports for enhanced screening. A plan to construct a quarantine facility in Kenya was temporarily blocked by a Kenyan court.

  • Africa CDC: Declared the outbreak a public health emergency of continental security. Identified 11 countries at high risk due to cross-border travel.

  • Neighboring Countries:

    • Uganda ordered a closure of its border with the DRC—a move WHO advised against
    • Rwanda also closed its land border with the DRC

  • Vaccine & Treatment Development: Global health organizations CEPI and Gavi committed significant funding to accelerate development of vaccines and treatments targeting the Bundibugyo virus.

Travel Restrictions

Several countries implemented travel restrictions on individuals traveling from the DRC, Uganda, and South Sudan, including:

  • United States
  • Canada
  • Hong Kong

The WHO advised against such measures, stating they are ineffective and can hinder the response by discouraging transparency and disrupting the flow of medical supplies and personnel.

The combination of a rare, untreatable virus, ongoing armed conflict, community mistrust, and severe funding shortfalls makes this one of the most challenging Ebola outbreaks in recent history.