## DRC Faces Intensifying Ebola Outbreak While Uganda Achieves Containment Central Africa is experiencing a mixed reality in the fight against a severe form of Ebola caused by the Bundibugyo virus. The Democratic Republic of Congo (DRC) is currently battling an escalating outbreak that has tragically become the largest Ebola event in its history. In stark contrast, its neighbor Uganda has successfully brought its own Bundibugyo virus disease (BVD) outbreak to a close, demonstrating the power of robust public health interventions. ### The Unfolding Crisis in Democratic Republic of Congo The situation in the Democratic Republic of Congo is rapidly deteriorating, marked by a sustained and concerning increase in both confirmed cases and fatalities. Initially confined to a single health zone in Ituri Province, the outbreak has aggressively expanded over the past two months. It now impacts a staggering 49 health zones across five provinces: Ituri, North Kivu, South Kivu, Haut-Uélé, and Tshopo. This wide geographic spread underscores the immense challenge facing health authorities and their partners. As of July 30, 2026, the DRC has reported a grim total of 3,605 confirmed cases of Bundibugyo virus disease, alongside 1,587 deaths. This translates to a crude case fatality ratio (CFR) of 44%, meaning nearly half of those infected have succumbed to the illness. These numbers surpass the previous largest Ebola outbreak in the country, which occurred between 2018 and 2020 and saw 3,317 confirmed cases. The intensity of transmission is particularly alarming, with the most recent complete reporting week (epidemiological week 30) recording the highest weekly figures to date: 567 new cases and 296 deaths. While a data reconciliation exercise on July 22 contributed to some reported spikes, the overall trend clearly indicates an exceptional pace of disease transmission. Ituri Province bears the brunt of this crisis, accounting for a significant 88% of all confirmed cases and 82.6% of reported deaths nationwide. Within Ituri, regions like Bunia, Rwampara, and Mongbwalu are experiencing particularly high case numbers. The ongoing movement of populations, coupled with the instability of conflict-affected regions, creates a complex environment where tracking and containing the virus becomes incredibly difficult. Tragically, health workers continue to be at risk, with 151 confirmed infections and 44 deaths among them. This highlights persistent challenges in infection prevention and control (IPC) within healthcare facilities and ongoing exposure risks within communities. ### Uganda's Successful Containment and Ongoing Vigilance Across the border, Uganda offers a beacon of hope, having officially declared an end to its BVD outbreak on July 28, 2026. This announcement came after a crucial 42-day period without any new confirmed locally transmitted cases, following the discharge of the last confirmed patient on June 16, 2026. Cumulatively, Uganda reported 20 confirmed cases and 2 deaths throughout its outbreak. The nation has since entered a 42-day post-outbreak monitoring phase, in line with international guidance, to ensure no hidden chains of transmission are missed. While the immediate threat has subsided, Uganda remains acutely aware of the risk of imported cases and potential re-introduction of the virus, especially given the ongoing intense transmission in the neighboring DRC. Heightened surveillance, preparedness, and control measures are therefore crucial, particularly along busy border crossings where population movement is constant. ### Understanding Bundibugyo Virus Disease (BVD) Bundibugyo virus disease is a severe, often fatal, illness caused by the Bundibugyo virus, which belongs to the *Orthoebolavirus* genus – the same family as other Ebola viruses. It is a zoonotic disease, meaning it originates in animals and can then spread to humans. Fruit bats are strongly suspected to be the natural hosts or reservoirs of the virus. Human infection typically occurs through direct contact with the blood, secretions, organs, or other bodily fluids of infected wild animals, such as bats or non-human primates. Once the virus enters the human population, it spreads rapidly from person-to-person through direct contact with the bodily fluids of infected individuals or contact with contaminated surfaces and materials. Transmission is significantly amplified in settings where proper hygiene and infection control measures are lacking, such as healthcare facilities, and during traditional burial practices that involve close physical contact with deceased individuals. It's important to remember that infected individuals are not contagious until they begin to show symptoms. The incubation period for BVD, the time between exposure and symptom onset, can range from two to 21 days. Initial symptoms are often non-specific and can easily be mistaken for other common illnesses like malaria, including fever, fatigue, muscle pain, headache, and a sore throat. This ambiguity can delay early detection and diagnosis. As the disease progresses, patients may experience gastrointestinal symptoms like vomiting and diarrhea, organ dysfunction, and in some severe cases, internal and external bleeding, known as hemorrhagic manifestations. Historically, BVD outbreaks have shown high fatality rates, with past events in Uganda (2007) and the DRC (2012) reporting CFRs of 30% and 50% respectively. Currently, there are no approved vaccines or specific antiviral treatments for Bundibugyo virus disease, making rapid case identification, isolation, supportive care, diligent contact tracing, safe burial practices, and strong community engagement the cornerstones of outbreak control. ### Challenges and Public Health Response Efforts Responding to an outbreak of this scale in the DRC is incredibly complex due to a confluence of factors. The affected regions are often characterized by pervasive insecurity and ongoing conflict, leading to significant population displacement and high mobility. These conditions create crowded environments, such as internally displaced persons (IDP) camps, where the risk of disease transmission is elevated. Limited access to essential services, including clean water, food, shelter, and healthcare, further complicates efforts. Attacks on health facilities and personnel by armed groups have hampered response operations, restricting access for critical teams, disrupting surveillance, and creating a climate of fear that can lead to undetected transmission. These challenges underscore the vital importance of community-led response efforts, guided by local authorities and trusted community leaders, to build trust and ensure cooperation. Despite these formidable obstacles, health authorities in the Democratic Republic of Congo, working closely with the World Health Organization (WHO) and other international partners, are implementing extensive public health measures. These include a continental preparedness and response plan designed to coordinate efforts across various pillars of outbreak control: emergency coordination, disease surveillance, laboratory testing, infection prevention and control, clinical care for patients, community engagement, research, logistics, and support for essential health services. Efforts also extend to mobilizing resources and engaging donors to address critical funding gaps. However, the rapidly expanding nature of the outbreak necessitates a substantial scaling up of activities across all these pillars to effectively get ahead of the virus. ### Assessing the Risk and Global Perspective In early June 2026, the WHO updated its risk assessment for the Bundibugyo virus disease outbreak. The risk level for the Democratic Republic of Congo was deemed **very high** due to the continuous transmission and the widespread geographical expansion of the virus. Uganda, despite containing its local outbreak, was assessed as **high risk** due to confirmed cross-border spread and persistent epidemiological links along its border with eastern DRC, a region historically prone to Ebola outbreaks. Countries sharing land borders with the DRC and Uganda also face a **high risk** due to constant population mobility driven by cross-border trade and mining activities, coupled with varying levels of preparedness and response capacities. For the rest of the African region and globally, the risk remains low. The WHO has advised against any restrictions on international travel or trade with affected countries, emphasizing instead the importance of robust public health measures, coordinated outbreak control, enhanced cross-border collaboration, and sustained surveillance and preparedness to prevent further regional and global spread. ### The Path Forward: Sustained Action and Collaboration The ongoing Bundibugyo virus disease outbreak in the DRC serves as a stark reminder of the persistent threat of emerging infectious diseases, particularly in vulnerable settings. The contrasting situations in the DRC and Uganda highlight the critical impact of strong public health infrastructure, rapid response, and community engagement. While the DRC urgently requires a massive scale-up in its response, Uganda's success offers valuable lessons in containment. Continued efforts will focus on rapid identification of cases, prompt testing, optimizing supportive clinical care to reduce mortality, and strengthening community trust. International collaboration remains paramount, with advisory groups, including the Strategic Advisory Group of Experts on Immunization (SAGE), actively assessing candidate vaccines and therapeutics for BVD to provide future tools in this relentless fight against a deadly pathogen.