web_fetch/040_recent_disease_outbreaks-2

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    "content": "Disease Outbreak News                          [Skip to main content](#content)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n -  [![World Health Organization](/images/default-source/fallback/header-logos/h-logo-blue1820eae93c154e37b2588ab90fdbc17e.svg?sfvrsn=aaed4f35_20)](https://www.who.int/) [Global](https://www.who.int/)\n -  Regions\n\n\n\n\n\n\n\n  ![World Health Organization](/images/default-source/fallback/header-logos/h-logo-blue1820eae93c154e37b2588ab90fdbc17e.svg?sfvrsn=aaed4f35_20)  WHO Regional websites\n\n**\n\n\n\n\n\n\n   -  [![Africa]() Africa](https://www.afro.who.int/)\n   -  [![Americas]() Americas](https://www.paho.org/en)\n   -  [![South-East Asia]() South-East Asia](https://www.who.int/southeastasia)\n   -  [![Europe]() Europe](https://www.who.int/europe/)\n   -  [![Eastern Mediterranean]() Eastern Mediterranean](http://www.emro.who.int/index.html)\n   -  [![Western Pacific]() Western Pacific](https://www.who.int/westernpacific/)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n  **\n\n   **   When autocomplete results are available use up and down arrows to review and enter to select.\n\n\n\n\n\n **  Select language   Select language English العربية 中文 Français Русский Español Português  **\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [![Home](/ResourcePackages/WHO/assets/dist/images/logos/en/h-logo-blue.svg)](/)\n\n\n\n\n\n [#XWVXNQGG](#XWVXNQGG)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [#XFEJCAUE](#XFEJCAUE)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n - 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The DON reports fulfill this requirement.\n\nThe events reported in the DON is not an exhaustive list of events that WHO is responding to globally but include those that meet the criteria for information to be made available to the public.\n\n \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n  2027 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990\n\n\n\n  2027 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nUnfortunately we don't have any results matching your criteria.\n\n\n\nYour predefined filter criteria are invalid.\n\n\n\n\n\n \n\n\n\n\n\n\n\n\n\n\n\n## Related emergency content\n\n\n\n\n\n\n\n[Situation reports](/emergencies/situation-reports)\n\n[https://www.who.int/csr/don/archive/year/en/](https://www.who.int/csr/don/archive/year/en/)\n\n\n\n\n\n\n\n## Get the latest DONs\n\n\n\n\n\n\n\n[Subscribe](https://confirmsubscription.com/h/d/6830A1D405297A6F)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n## The criteria for Disease Outbreak News\n\n\n\n\n\n\n\n\n\n\n\nDisease Outbreak News (DONs) are published relating to confirmed or potential public health events, of:\n\n- Unknown cause with a significant or potential international health concern that may affect international travel or trade;\n- A known cause which has demonstrated the ability to cause serious public health impact and spread internationally;\n- High public concern which may lead to disruption of required public health interventions, or could disrupt international travel or trade.\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n -  [Regions](/redirect-pages/footer/regions)\n   -  [Africa](/redirect-pages/footer/regions/africa)\n   -  [Americas](/redirect-pages/footer/regions/americas)\n   -  [Eastern Mediterranean](/redirect-pages/footer/regions/eastern-mediterranen)\n   -  [Europe](/redirect-pages/footer/regions/europe)\n   -  [South-East Asia](/redirect-pages/footer/regions/south-east-asia)\n   -  [Western Pacific](/redirect-pages/footer/regions/western-pacific)\n\n\n -  [Policies](/redirect-pages/footer/who-policies)\n   -  [Cybersecurity](/redirect-pages/footer/who-policies/cybersecurity)\n   -  [Ethics](/redirect-pages/footer/who-policies/ethics)\n   -  [Information disclosure](/redirect-pages/footer/who-policies/information-disclosure)\n   -  [Permissions and licensing](/redirect-pages/footer/who-policies/permissions-and-licensing)\n   -  [Preventing sexual exploitation](/redirect-pages/footer/who-policies/preventing-sexual-exploitation)\n   -  [Terms of use](/redirect-pages/footer/who-policies/terms-of-use)\n\n\n -  [About us](/redirect-pages/footer/about-us)\n   -  [Careers](/redirect-pages/footer/about-us/careers)\n   -  [Frequently asked questions](/redirect-pages/footer/about-us/frequently-asked-questions)\n   -  [Library](/redirect-pages/footer/about-us/library)\n   -  [Procurement](/redirect-pages/footer/about-us/procurement)\n   -  [Publications](/redirect-pages/footer/about-us/publications)\n\n\n\n\n\n\n\n\n\n\n\n\n - [Contact us](/about/contact-us)\n\n\n\n\n\n\n\n[Newsletters](/redirect-pages/footer/about-us/newsletters)\n\n\n\n\n\n\n\n[Report misconduct](/about/office-of-internal-oversight-services/integrity-hotline)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [![Home](/ResourcePackages/WHO/assets/dist/images/logos/en/h-logo-white.svg)](/)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n[Privacy policy](/about/policies/privacy)\n\n\n\n\n\n\n\n\n\n\n\n[https://www.youtube.com/user/who?sub_confirmation=%5BREDACTED%5D [https://twitter.com/intent/follow?source=%5BREDACTED%5D&variant=%5BREDACTED%5D&screen_name=%5BREDACTED%5D&variant=%5BREDACTED%5D&screen_name=%5BREDACTED%5D [https://www.facebook.com/WHO](https://www.facebook.com/WHO) [https://instagram.com/who](https://instagram.com/who) [https://www.linkedin.com/company/world-health-organization](https://www.linkedin.com/company/world-health-organization) [https://www.snapchat.com/add/who](https://www.snapchat.com/add/who) [https://www.tiktok.com/@who?lang=%5BREDACTED%5D\n\n\n\n\n\n\n\n  ©  2026\n\n\n\n[WHO](/about/policies/terms-of-use)",
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    "content": "Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo                          [Skip to main content](#content)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n -  [![World Health Organization](/images/default-source/fallback/header-logos/h-logo-blue1820eae93c154e37b2588ab90fdbc17e.svg?sfvrsn=aaed4f35_20)](https://www.who.int/) [Global](https://www.who.int/)\n -  Regions\n\n\n\n\n\n\n\n  ![World Health Organization](/images/default-source/fallback/header-logos/h-logo-blue1820eae93c154e37b2588ab90fdbc17e.svg?sfvrsn=aaed4f35_20)  WHO Regional websites\n\n**\n\n\n\n\n\n\n   -  [![Africa]() Africa](https://www.afro.who.int/)\n   -  [![Americas]() Americas](https://www.paho.org/en)\n   -  [![South-East Asia]() South-East Asia](https://www.who.int/southeastasia)\n   -  [![Europe]() Europe](https://www.who.int/europe/)\n   -  [![Eastern Mediterranean]() Eastern Mediterranean](http://www.emro.who.int/index.html)\n   -  [![Western Pacific]() Western Pacific](https://www.who.int/westernpacific/)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n  **\n\n   **   When autocomplete results are available use up and down arrows to review and enter to select.\n\n\n\n\n\n **  Select language   Select language English العربية 中文 Français Русский Español Português  **\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [![Home](/ResourcePackages/WHO/assets/dist/images/logos/en/h-logo-blue.svg)](/)\n\n\n\n\n\n [#XWVXNQGG](#XWVXNQGG)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [#XFEJCAUE](#XFEJCAUE)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n - 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 [Member States Portal](/mega-menu/about-us/governance/member-states-portal)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n - [Home](/)/\n - [Disease Outbreak News](/emergencies/disease-outbreak-news)/\n - [Item](/emergencies/disease-outbreak-news/item)/\n - Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n## Disease Outbreak News\n\n\n\n#  Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo\n\n\n\n 10 September 2026\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [See all DONs related to this event](https://www.who.int/emergencies/emergency-events/item/2026-e000253)\n\n\n\n [Read more about Ebola disease](/health-topics/ebola)\n\n\n\n### Situation at a glance\n\n\n\n Since the last Disease Outbreak News was published on 28 August 2026, the Bundibugyo virus outbreak in the Democratic Republic of the Congo has expanded to one additional health zone, Kayna, in North Kivu. This increase brings the total number of affected health zones to 61 across six out of 26 provinces of the country: Bas-Uélé, Haut-Uélé, Ituri, North Kivu, South Kivu, and Tshopo. As of 7 September 2026, the Democratic Republic of the Congo has reported 6757 confirmed cases, including 3267 deaths, resulting in a crude case fatality ratio (CFR) of 48.3%. The transmission dynamics remain variable across affected locations, with evidence of ongoing geographical expansion and sustained increase in cases in some health zones. The continuously high CFR highlights the seriousness of the disease and persistent challenges in timely case detection, access to early and adequate patient care, and effective interruption of transmission. Delayed detection of cases continues to increase the risk of further spread within households, communities, and healthcare settings.\n\n\n\n\n\n\n\n### Description of the situation\n\n\n\n\n\nSince the publication of the previous [Disease Outbreak News](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON616) on 28 August 2026, additional confirmed cases and deaths of Bundibugyo virus disease (BVD) have been reported only in the Democratic Republic of the Congo.\n\nAs of 7 September 2026, a cumulative total of 6778 confirmed cases has been reported: 6757 in the Democratic Republic of the Congo (including two cases diagnosed in the Democratic Republic of the Congo and subsequently treated in Germany), 20 cases in Uganda and one case in France. Overall, 3269 deaths have been reported, including two in Uganda. As of 7 September, at least 1611 patients have recovered, including 1590 in the Democratic Republic of the Congo, 18 in Uganda, two in Germany and one in France.\n\nThe sustained level of transmission in the Democratic Republic of the Congo continues to pose a risk of cross-border spread. Health screening and surveillance activities remain operational at airports, ports, and official land border crossings; however, travel through informal crossing routes persists and may facilitate virus exportation, importation, and subsequent transmission. In this context, strengthened cross-border coordination, together with ongoing surveillance and preparedness efforts, remains critical to limiting further regional spread and supporting an effective public health response.\n\n**Figure 1. Distribution of cumulative confirmed cases of Bundibugyo virus disease in the Democratic Republic of the Congo, as of 7 September **\n\n![Geographic distribution of confirmed cases](https://cdn.who.int/media/images/default-source/products/disease-outbreak-news/geographic-distribution-of-confirmed-cases037d941f-5da1-4704-8c1e-1ead73425f9f.jpg?sfvrsn=%5BREDACTED%5D)\n\n**Democratic Republic of the Congo **\n\nSince the previous [Disease Outbreak News](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON616) was published on 28 August 2026, an additional 963 confirmed cases, including 481 confirmed deaths, have been reported in the Democratic Republic of the Congo. While part of this increase may be attributable to strengthened surveillance activities, enhanced laboratory testing, improved diagnostic capacity, and reconciliation of previously unreported data, the continued growth in both cases and deaths also reflects sustained community transmission and significant geographic expansion of the outbreak. As of 7 September, the Democratic Republic of the Congo has reported a total of 6757 confirmed cases, including 3267 deaths (CFR 48.3%). A total of 1590 patients have recovered to date.\n\nConfirmed cases have been reported from 61 health zones (HZ) across six provinces, with 51 HZ from five provinces reporting at least one case in the last 21 days. Ituri remains the most affected province, with 28 of its 36 health zones reporting cases, followed by North Kivu (16/34), Tshopo (7/23), Haut-Uélé (6/13), Bas-Uélé (3/11), and South Kivu (1/34). No new cases have been reported from South Kivu province since 29 May 2026. Kayna HZ in North Kivu province is the most recently affected area. As of 7 September, 71 new confirmed cases had been reported in the preceding 24 hours from 17 health zones located in Ituri, North Kivu, and Haut-Uélé provinces.\n\nIturi continues to be the epicentre of the outbreak, accounting for 5406 confirmed cases since the start of the outbreak, including 1114 new confirmed cases reported in the previous 21 days, as of 7 September. North Kivu is the second most affected province, with a cumulative number of 1066 confirmed cases, including 453 reported in the last 21 days, as of 7 September. One of the highest CFR (65.4%) observed in this outbreak has been reported from North Kivu province; and investigations are ongoing to better understand the factors contributing to this elevated mortality rate.\n\nThe number of individuals requiring follow-up as contact has also risen considerably with the expansion of the outbreak. As of 7 September, 85.3% of identified contacts were successfully monitored during the previous 24 hours with 21 359 contacts seen out of 24 719 requiring follow up. The large volume of contacts under surveillance highlights the extent of potential exposure within affected communities and the substantial demands placed on response operations.\n\nThe outbreak continues to unfold within a complex humanitarian setting characterized by insecurity, armed conflict, and widespread population displacement. More than 26 million people are experiencing acute food insecurity, while approximately one million internally displaced persons reside in Ituri Province alone. Ongoing insecurity and displacement limit access to healthcare and essential services, constrain the ability of response teams to reach affected areas, and impede surveillance, case investigation and contact tracing activities. Overcrowding, limited water, sanitation and hygiene services, and restricted access to healthcare in mining communities, informal settlements and sites for internally displaced persons further undermine early case detection, infection prevention and control measures, and the provision of timely care. These conditions also reduce the effectiveness of response interventions and outreach efforts.\n\n**Figure 2: Number of confirmed Bundibugyo virus disease cases in the Democratic Republic of the Congo, by date of notification, as of 7 September 2026**\n\n![Number of confirmed cases](https://cdn.who.int/media/images/default-source/products/disease-outbreak-news/number-of-confirmed-cases.jpg?sfvrsn=%5BREDACTED%5D)\n\n**Figure 3: Number of deaths among confirmed Bundibugyo virus disease cases in the Democratic Republic of the Congo by date of notification, as of 7 September 2026. **\n\n![Number of deaths](https://cdn.who.int/media/images/default-source/products/disease-outbreak-news/number-of-deaths.jpg?sfvrsn=%5BREDACTED%5D)\n\n\n\n\n\n\n\n\n\n### Epidemiology\n\n\n\n\n\nBundibugyo virus disease (BVD) is a severe Ebola disease caused by the Bundibugyo virus, one of the *Orthoebolavirus *species. It is a zoonotic disease, with fruit bats suspected to be the natural reservoir.\n\nHuman infection is thought to occur through close contact with the blood or secretions of infected wildlife, such as bats or non-human primates, and it subsequently spreads from person-to-person through direct contact with the blood, secretions, organs, or other bodily fluids of infected individuals or contaminated surfaces and materials. Transmission is particularly amplified in health-care settings when IPC measures are inadequate and during unsafe burial practices involving direct contact with deceased individuals.\n\nThe incubation period for BVD ranges from two to 21 days, and infected individuals are not infectious until symptom onset. Early symptoms such as fever, fatigue, muscle pain, headache, and sore throat are non-specific, which complicates clinical diagnosis and can delay detection. These symptoms then progress to gastrointestinal symptoms, organ dysfunction, and, in some cases, haemorrhagic manifestations.\n\nThe historical CFR from the past two BVD outbreaks, reported in Uganda and in the Democratic Republic of the Congo in 2007 and 2012, were 30% and 50%, respectively.\n\nDifferentiating BVD from other endemic febrile illnesses such as malaria is challenging without laboratory confirmation using polymerase chain reaction (PCR) or antigen- or antibody-based assays. Outbreak control relies on rapid case identification, isolation and care, contact tracing, safe burials and strong community engagement, as no approved vaccines or specific treatments currently exist for BVD.\n\nSince first detected in May 2026, this BVD outbreak has rapidly evolved into a large and geographically expanding epidemic in the Democratic Republic of the Congo, with sustained transmission, high mortality and an increasing risk of further international spread. The current outbreak is the second documented Bundibugyo virus disease outbreak in the country, after the 2012 outbreak, and the largest Ebola disease outbreak ever recorded in the Democratic Republic of the Congo irrespective of Ebola virus species. The population at greatest risk of exposure is concentrated in communities living in and moving through the health areas with active transmission. \n\n\n\n\n\n\n\n\n\n### Public health response\n\n\n\n\n\nFor detailed information about the ongoing public health response actions by the Ministry of Health, WHO and partners please refer to the latest situation reports published by the WHO Regional Office for Africa: [Ongoing outbreak in the Democratic Republic of the Congo | WHO | Regional Office for Africa](https://www.afro.who.int/health-topics/ebola-disease/outbreak-drc-26)\n\nHealth authorities in the Democratic Republic of the Congo, in collaboration with WHO and partners, are continuing to implement and coordinate extensive public health measures, including disease surveillance, laboratory testing, infection prevention and control, clinical care, community engagement, research, logistics and support for response interventions and essential health services, engaging donors and mobilizing additional resources to address critical funding gaps and sustain response operations across affected and at-risk areas. A substantial scale-up is ongoing across all response pillars to get ahead of the outbreak. \n\n\n\n\n\n\n\n\n\n### WHO risk assessment\n\n\n\n\n\nOn 14 August 2026, WHO reassessed the risk of the outbreak of BVD, incorporating newly available information on the evolving situation. The risk for countries sharing land borders with the Democratic Republic of the Congo was separated from the risk for other countries in the African Region.\n\nThe risk in the Democratic Republic of the Congo was assessed as very high, the risk for countries sharing land borders with the Democratic Republic of the Congo was again assessed as high, and the risks for the rest of the African region and at the global level was again assessed as low.\n\nFor further information, please see [WHO Rapid Risk Assessment-Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo v4](https://www.who.int/publications/m/item/who-rapid-risk-assessment-ebola-disease-caused-by-bundibugyo-virus--democratic-republic-of-the-congo-v4)****\n\n\n\n\n\n\n\n\n\n### WHO advice\n\n\n\n\n\nBased on the currently available information, WHO advises against any restriction of travel to, or trade with, affected countries. WHO continues to closely monitor and, where necessary, verify travel and trade measures in relation to this event.\n\nThe updated [Temporary Recommendations](https://www.who.int/news/item/24-08-2026-second-meeting-of-the-ihr-emergency-committee-on-the-epidemic-of-ebola-bundibugyo-virus-disease-in-the-democratic-republic-of-the-congo-temporary-recommendations) issued to States Parties on 24 August 2026 underscore the importance of coordinated outbreak control, strengthened cross‑border collaboration, and sustained surveillance and preparedness to prevent further regional spread and ensure an effective public health response. Rapid recognition of cases, testing and optimized supportive care can reduce mortality, and improve community perceptions and acceptance of health care within the response.\n\nOn 7 August, the WHO Technical Advisory Group on candidate vaccine prioritization released a report regarding possible candidate vaccines for Bundibugyo virus disease. The members recommended that Ervebo, the only licensed Ebola vaccine (previously known as ebolavirus Zaire), be prioritized for inclusion in a randomized clinical trial in the context of the ongoing outbreak in the Democratic Republic of the Congo. Following a review of additional evidence on 19 August 2026, the WHO Strategic Advisory Group of Experts on Immunization (SAGE) concluded that available evidence remains insufficient to support the programmatic use of Ervebo for the prevention of BVD, and that its efficacy against BVD in humans remains unknown. WHO therefore recommends that Ervebo be used for BVD only within the context of a research protocol.  Ervebo vaccination of healthcare and frontline workers is now underway. As of 6 September 2026, a total of 2007 people had been vaccinated across six health zones in three provinces: Tshopo, Bas-Uélé and Ituri.\n\nOn 2 July, a clinical trial to find effective treatments against BVD began patient enrollment on 2 July. The trial, known as the PARTNERS trial, is now open in five different clinical management facilities in Ituri province, and has enrolled over 300 people who are confirmed cases.  \n\n\n\n\n\n\n\n\n\n### Further information\n\n\n\n\n\n**Regular Information products on the outbreak o****f Bundibugyo virus disease ******\n\n- **Daily update: **[Epidemiological update on BVD outbreak in Democratic Republic of the Congo](https://www.who.int/emergencies/alert-and-response)\n- **Published weekly: **[Ongoing outbreak in the Democratic Republic of the Congo | WHO | Regional Office for Africa](https://www.afro.who.int/health-topics/ebola-disease/outbreak-drc-26) | WHO| Regional Office for Africa\n- **Published biweekly:**[****Disease Outbreak News | All Hazards Public Health Events, Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo](https://www.who.int/emergencies/disease-outbreak-news)\n\n**Additional information**\n\n**Current outbreak: declarations and status**\n\n- [Africa CDC and WHO launch joint continental Ebola response plan](https://www.who.int/news/item/05-06-2026-africa-cdc-and-who-launch-joint-continental-ebola-response-plan)\n- [Bundibugyo Ebola virus | Continental preparedness and response plan: June-November 2026](https://www.afro.who.int/publications/bundibugyo-ebola-virus-continental-preparedness-and-response-plan-june-november-2026)\n- [Epidemic of Ebola Disease caused by Bundibugyo virus in the Democratic Republic of the Congo and Uganda determined a public health emergency of international concern](https://www.who.int/news/item/17-05-2026-epidemic-of-ebola-disease-in-the-democratic-republic-of-the-congo-and-uganda-determined-a-public-health-emergency-of-international-concern)\n- [The Ministry of Public Health, Hygiene and Social Welfare, DRC, officially declares the 17th Ebola Disease outbreak](https://administration.sante.gouv.cd/wp-content/uploads/2026/05/Declaration-de-la-17e-Epidemie-de-la-maladie-a-virus-Ebola-dans-les-zones-de-sante-de-Rwampara-Mongwalu-et-Bunia-dans-la-province-dIturi.pdf)\n- [WHO Democratic Republic of Congo confirms new Ebola outbreak](https://www.afro.who.int/countries/democratic-republic-of-congo/news/democratic-republic-congo-confirms-new-ebola-outbreak-who-scales-upsupport)\n- [Message by the WHO Director-General to the people of the Democratic Republic of the Congo](https://www.who.int/news/item/28-05-2026-message-by-the-who-director-general-to-the-people-of-the-democratic-republic-of-the-congo)\n- [At the frontline of trust: a day with Julienne Anoko WHO's Ebola Community Engagement Officer in DRC](https://www.afro.who.int/countries/democratic-republic-of-congo/news/frontline-trust-day-julienne-anoko-whos-ebola-community-engagement-officer-drc)\n- [Decentralized testing speeds up Ebola response in the Democratic Republic of the Congo](https://www.afro.who.int/countries/democratic-republic-of-congo/news/decentralized-testing-speeds-ebola-response-democratic-republic-congo)\n- [Uganda ends Ebola outbreak following completion of 42-day countdown | WHO | Regional Office for Afri…](https://www.afro.who.int/countries/uganda/news/uganda-ends-ebola-outbreak-following-completion-42-day-countdown)\n- [Second meeting of the IHR Emergency Committee on the epidemic of Ebola Bundibugyo virus disease in the Democratic Republic of the Congo – Temporary recommendations](https://www.who.int/news/item/24-08-2026-second-meeting-of-the-ihr-emergency-committee-on-the-epidemic-of-ebola-bundibugyo-virus-disease-in-the-democratic-republic-of-the-congo-temporary-recommendations)\n\n**WHO Rapid risk assessments**\n\n- [WHO Rapid Risk Assessment-Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo v4](https://www.who.int/publications/m/item/who-rapid-risk-assessment-ebola-disease-caused-by-bundibugyo-virus--democratic-republic-of-the-congo-v4)\n\n**Epidemiological updates and situation reports**\n\n- [Weekly External Situation Report. EBOLA BUNDIBUGYO VIRUS DISEASE OUTBREAK Democratic Republic of the Congo | Uganda.](https://www.afro.who.int/health-topics/ebola-disease/outbreak-drc-26)\n- [Ebola Outbreak: Current Situation | Ebola | CDC](https://www.cdc.gov/ebola/situation-summary/index.html)\n- [Daily situation report, Ministry of Health, Democratic Republic of the Congo.](https://insp.cd/category/sitrep/)\n- [Press Statements - Ministry of Health - Uganda](https://health.go.ug/press-statements/)\n- [Ebola updates, Ministry of Health, Uganda](https://evd-daily.health.go.ug/)\n\n**Published Disease Outbreak News (current outbreak)**\n\n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo and Uganda 16 May 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON602)\n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo. 21 May 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON603)\n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo. 29 May 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON605)\n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo and Uganda 8 June 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON606)\n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo and Uganda 13 June 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON607)\n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo and Uganda 19 June 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON608)\n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo and Uganda 3 July 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON612)\n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo and Uganda 17 July 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON613)\n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo 1 August 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON614)\n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo 14 August 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON615)\n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo 28 August 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON616)\n\n**Clinical management, IPC, and occupational safety**\n\n- [WHO guidelines for the clinical management of filovirus disease](https://www.who.int/publications/i/item/B09774)\n- [Infection prevention and control guideline for Ebola and Marburg disease. WHO.17 May 2026](https://www.who.int/publications/i/item/9789240111332)\n- [Infection prevention and control and water, sanitation and hygiene in health facilities during Ebola or Marburg disease outbreaks: rapid assessment tool, user guide.](https://www.who.int/publications/i/item/9789240107205)\n- [Assessment and management of health and care workers with possible occupational exposures to Orthoebolavirus or Orthomarburgvirus: implementation guidance](https://www.who.int/publications/i/item/9789240107328)\n- [Optimized Supportive Care for Ebola Virus Disease. Clinical management standard operating procedures. WHO. 2019](https://www.who.int/publications/i/item/9789241515894)\n- [Framework and toolkit for infection prevention and control in outbreak preparedness, readiness and response at the national level](https://www.who.int/publications/i/item/9789240032729)\n- [Diagnostic testing for Ebola disease and Marburg virus disease: interim guidance, 9 July 2026](https://iris.who.int/handle/10665/386711)\n- [Considerations for border health and points of entry for filovirus disease outbreaks](https://www.who.int/publications/m/item/considerations-for-border-health-and-points-of-entry-for-filovirus-disease-outbreaks)\n\n**Vaccines**\n\n- [Third meeting of the WHO Technical Advisory Group on candidate vaccine prioritization (TAG-CVP) for Bundibugyo virus disease outbreak response: meeting report, 31 July 2026](https://www.who.int/publications/i/item/B09865)\n- [WHO press release regarding a clinical trial to find effective treatments against Bundibugyo virus disease.](https://www.who.int/news/item/02-07-2026-patient-enrolment-begins-in-a-scientific-trial-to-identify-the-first-effective-treatments-for-bundibugyo-virus-disease) \n\n**Training**\n\n- [WHO Launches Online Training to Strengthen Filovirus Outbreak Response](https://www.who.int/news/item/26-03-2025-who-launches-online-training-to-strengthen-filovirus-outbreak-response)\n\n**Prior Bundibugyo virus disease events, DRC (2012)**\n\n- [Disease Outbreak News. Ebola outbreak in Democratic Republic of Congo – update. WHO. 14 September 2012](https://www.who.int/emergencies/disease-outbreak-news/item/2012_09_14-en)\n- [Disease Outbreak News. Ebola outbreak in Democratic Republic of Congo – update. WHO. 26 October 2012](https://www.who.int/emergencies/disease-outbreak-news/item/2012_10_26-en)\n\n**Background and reference**\n\n- [Ebola disease fact sheet](https://www.who.int/news-room/fact-sheets/detail/ebola-disease)\n- [Ebola vaccines](https://www.who.int/news-room/questions-and-answers/item/ebola-vaccines)\n\n**Citable reference:** World Health Organization (10 September 2026). Disease Outbreak News; Bundibugyo Virus Disease, Democratic Republic of the Congo. Available at: [https://www/who.int/emergencies/disease-outbreak.news.item/2026-DON617](https://www/who.int/emergencies/disease-outbreak.news.item/2026-DON617)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [See all DONs related to this event](https://www.who.int/emergencies/emergency-events/item/2026-e000253)\n\n\n\n\n\n\n\n [Read more about Ebola disease](/health-topics/ebola)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n -  [Regions](/redirect-pages/footer/regions)\n   -  [Africa](/redirect-pages/footer/regions/africa)\n   -  [Americas](/redirect-pages/footer/regions/americas)\n   -  [Eastern Mediterranean](/redirect-pages/footer/regions/eastern-mediterranen)\n   -  [Europe](/redirect-pages/footer/regions/europe)\n   -  [South-East Asia](/redirect-pages/footer/regions/south-east-asia)\n   -  [Western Pacific](/redirect-pages/footer/regions/western-pacific)\n\n\n -  [Policies](/redirect-pages/footer/who-policies)\n   -  [Cybersecurity](/redirect-pages/footer/who-policies/cybersecurity)\n   -  [Ethics](/redirect-pages/footer/who-policies/ethics)\n   -  [Information disclosure](/redirect-pages/footer/who-policies/information-disclosure)\n   -  [Permissions and licensing](/redirect-pages/footer/who-policies/permissions-and-licensing)\n   -  [Preventing sexual exploitation](/redirect-pages/footer/who-policies/preventing-sexual-exploitation)\n   -  [Terms of use](/redirect-pages/footer/who-policies/terms-of-use)\n\n\n -  [About us](/redirect-pages/footer/about-us)\n   -  [Careers](/redirect-pages/footer/about-us/careers)\n   -  [Frequently asked questions](/redirect-pages/footer/about-us/frequently-asked-questions)\n   -  [Library](/redirect-pages/footer/about-us/library)\n   -  [Procurement](/redirect-pages/footer/about-us/procurement)\n   -  [Publications](/redirect-pages/footer/about-us/publications)\n\n\n\n\n\n\n\n\n\n\n\n\n - [Contact us](/about/contact-us)\n\n\n\n\n\n\n\n[Newsletters](/redirect-pages/footer/about-us/newsletters)\n\n\n\n\n\n\n\n[Report misconduct](/about/office-of-internal-oversight-services/integrity-hotline)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [![Home](/ResourcePackages/WHO/assets/dist/images/logos/en/h-logo-white.svg)](/)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n[Privacy policy](/about/policies/privacy)\n\n\n\n\n\n\n\n\n\n\n\n[https://www.youtube.com/user/who?sub_confirmation=%5BREDACTED%5D [https://twitter.com/intent/follow?source=%5BREDACTED%5D&variant=%5BREDACTED%5D&screen_name=%5BREDACTED%5D&variant=%5BREDACTED%5D&screen_name=%5BREDACTED%5D [https://www.facebook.com/WHO](https://www.facebook.com/WHO) [https://instagram.com/who](https://instagram.com/who) [https://www.linkedin.com/company/world-health-organization](https://www.linkedin.com/company/world-health-organization) [https://www.snapchat.com/add/who](https://www.snapchat.com/add/who) [https://www.tiktok.com/@who?lang=%5BREDACTED%5D\n\n\n\n\n\n\n\n  ©  2026\n\n\n\n[WHO](/about/policies/terms-of-use)",
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    "content": "Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo                          [Skip to main content](#content)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n -  [![World Health Organization](/images/default-source/fallback/header-logos/h-logo-blue1820eae93c154e37b2588ab90fdbc17e.svg?sfvrsn=aaed4f35_20)](https://www.who.int/) [Global](https://www.who.int/)\n -  Regions\n\n\n\n\n\n\n\n  ![World Health Organization](/images/default-source/fallback/header-logos/h-logo-blue1820eae93c154e37b2588ab90fdbc17e.svg?sfvrsn=aaed4f35_20)  WHO Regional websites\n\n**\n\n\n\n\n\n\n   -  [![Africa]() Africa](https://www.afro.who.int/)\n   -  [![Americas]() Americas](https://www.paho.org/en)\n   -  [![South-East Asia]() South-East Asia](https://www.who.int/southeastasia)\n   -  [![Europe]() Europe](https://www.who.int/europe/)\n   -  [![Eastern Mediterranean]() Eastern Mediterranean](http://www.emro.who.int/index.html)\n   -  [![Western Pacific]() Western Pacific](https://www.who.int/westernpacific/)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n  **\n\n   **   When autocomplete results are available use up and down arrows to review and enter to select.\n\n\n\n\n\n **  Select language   Select language English العربية 中文 Français Русский Español Português  **\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [![Home](/ResourcePackages/WHO/assets/dist/images/logos/en/h-logo-blue.svg)](/)\n\n\n\n\n\n [#XWVXNQGG](#XWVXNQGG)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [#XFEJCAUE](#XFEJCAUE)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n - 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The number of affected provinces stands at six out of 26 provinces of the country: Bas-Uélé, Haut-Uélé, Ituri, North Kivu, South Kivu, and Tshopo. Six additional health zones reported cases since the last update - Ganga and Viadana health zones in Bas-Uélé province, Biena, Manguredjipa, and Mutwanga in North Kivu, and Tshopo health zone in Tshopo province. As of 26 August 2026, a total of 5794 confirmed cases, including 2786 deaths, have been reported, corresponding to a crude case fatality ratio (CFR) of 48.1%. These figures demonstrate a substantial increase in the scale and geographic extent of the outbreak over the past three months. The crude case fatality ratio of 48% underscores the severity of the disease and ongoing challenges related to timely case detection, access to and quality of clinical care, and effective interruption of viral transmission. Delays in recognizing cases increase the likelihood of onward transmission within households, communities and healthcare facilities. The outbreak remains a public health emergency of international concern, following the advice of Emergency Committee meeting convened on 18 August.\n\n\n\n\n\n\n\n### Description of the situation\n\n\n\n\n\nSince the previous [Disease Outbreak News](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON615) was published on 14 August 2026, additional confirmed cases and deaths of BVD have been reported only in the Democratic Republic of the Congo.  \n\nCumulatively as of 26 August 2026, 5815 confirmed cases have been reported: 5794 in the Democratic Republic of the Congo (including two cases diagnosed in the Democratic Republic of the Congo and subsequently treated in Germany), 20 in Uganda and one in France. A total of 2788 deaths have been reported, including two in Uganda. As of 26 August, at least 1314 patients have recovered, including 1293 in the Democratic Republic of the Congo, 18 in Uganda, two in Germany and one in France.  \n\nAs of 27 August, the 42-day enhanced monitoring period, as per international guidance, has been completed in both France and [Uganda](https://www.afro.who.int/countries/uganda/news/uganda-ends-ebola-outbreak-following-completion-42-day-countdown).  \n\nThe continuing intensity of transmission in the Democratic Republic of the Congo means that the risk of further exportation across international borders remains. Entry and exit health screening and surveillance measures are in place at airports, ports and official land border crossings; however, movement through informal border crossing routes may occur, presenting an ongoing risk of virus exportation, importation and onward transmission. Therefore, cross‑border collaboration, and sustained surveillance and preparedness are essential to prevent further regional spread and ensure an effective public health response. \n\nOn 27 August, vaccination of health care workers using the Ervebo vaccine was initiated in the Democratic Republic of the Congo in some areas, including in Kisangani, Tshopo province. Although Ervebo is a safe vaccine, and effective against Ebola virus disease, it is not known whether it provides protection against the Bundibugyo virus in humans. Thus, starting a clinical trial of the vaccine, alongside this wider use, is key to provide important new evidence and inform future use of the vaccine. \n\nThe second IHR Emergency Committee meeting regarding the epidemic of Ebola Bundibugyo virus disease in the Democratic Republic of the Congo took place on 18 August. Following the advice of the Committee, the Director-General agreed that the ongoing outbreak remains a Public Health Emergency of International Concern, and issued updated temporary recommendations to countries. \n\n**Figure 1. Distribution of cumulative confirmed cases of Bundibugyo virus disease in the Democratic Republic of the Congo, as of 26 August** \n\n![](https://cdn.who.int/media/images/default-source/products/disease-outbreak-news/don_evd_drc_map_20260828.png?sfvrsn=%5BREDACTED%5D)\n\n**Democratic Republic of the Congo  **\n\nSince 14 August 2026 when the last [Disease Outbreak News](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON615) was published, an additional 1129 confirmed cases, including 602 confirmed deaths, have been reported in the Democratic Republic of the Congo. Although part of this increase likely reflects expanded surveillance, enhanced laboratory testing, improved diagnostic capacity, and periodic data backlog reconciliation, the sustained rise in number of cases and deaths are the result of continued transmission and substantial outbreak expansion. As of 26 August 2026, a total of 5794 confirmed cases, including 2786 deaths (CFR 48.1%), have been reported in the Democratic Republic of the Congo. To date, 1293 patients have recovered. \n\nCases have been reported from 60 health zones (HZ) across six provinces. Ituri has 28 health zones affected out of 36, followed by North Kivu (15/34), Haut-Uélé (6/13), Tshopo (7/23), South Kivu (1/34) and Bas Uélé (3/11). The most recently affected province, Bas-Uélé, started reporting cases since 12 August. The most recently affected health zones are Biena and Manguredjipa in North Kivu province. As of 26 August, of the 60 affected health zones, 81 new confirmed cases were reported in the last 24 hours from 19 health zones in Ituri, North Kivu, Haut-Uélé, and Tshopo provinces. Ituri remains the epicentre of the outbreak, with 4802 confirmed cases reported since the start of the outbreak, including 52 new confirmed cases reported in the last 24 hours, as of 26 August. Nord-Kivu is the second most affected province, with a cumulative number of 775 confirmed cases, including 22 reported in the last 24 hours, as of 26 August. The highest CFR (68%) in this outbreak has been reported from North Kivu province; the reasons for this high CFR are under investigation. \n\nThe number of individuals requiring contact monitoring has also increased substantially as the outbreak has expanded. As of 26 August, the proportion of contacts followed up in the last 24 hours is at 82.3% (22 091 seen out of 26 850 to follow up). The large number of contacts reflects the scale of potential exposure within affected communities. \n\nThe outbreak is unfolding in a conflict-affected humanitarian context marked by insecurity, armed violence, and large-scale displacement. More than 26 million people face acute food insecurity, and an estimated one million internally displaced people live in Ituri Province alone. Insecurity and displacement disrupt access to health care and essential services, restrict access for response teams, and impede surveillance, case investigation and contact follow-up. Overcrowding, limited water, sanitation and hygiene services, and restricted access to healthcare in mining communities, informal settlements and sites for internally displaced people further hinder early detection, infection prevention, and appropriate care. These conditions also make it harder to implement response measures consistently and to reach affected populations.  \n\n**Figure 2: Number of confirmed Bundibugyo virus disease cases in the Democratic Republic of the Congo, by date of notification, as of 26 August 2026**\n\n![](https://cdn.who.int/media/images/default-source/products/disease-outbreak-news/don_evd_drc_cases_20260828.png?sfvrsn=%5BREDACTED%5D)\n\n**Figure 3: Number of deaths among confirmed Bundibugyo virus disease cases in the Democratic Republic of the Congo by date of notification, as of 26 August 2026**\n\n![](https://cdn.who.int/media/images/default-source/products/disease-outbreak-news/don_evd_drc_deaths_20260828.png?sfvrsn=%5BREDACTED%5D ** \n\nBetween 18 May and 28 August 2026, enhanced public health intelligence conducted by WHO identified 76 Ebola-related signals across 23 countries and territories, supporting rapid verification, risk assessment and information sharing with national authorities through IHR National Focal Points. Most signals, 92% (70/76), including suspected cases among travellers and health-care workers and reports circulating in public sources, were subsequently ruled out through investigation and laboratory testing. The remaining six were confirmed as Ebola events. \n\n\n\n\n\n\n\n\n\n### Epidemiology\n\n\n\n\n\nBundibugyo virus disease (BVD) is a severe Ebola disease caused by the Bundibugyo virus, one of the *Orthoebolavirus* species. It is a zoonotic disease, with fruit bats suspected to be the natural reservoir. \n\nHuman infection is thought to occur through close contact with the blood or secretions of infected wildlife, such as bats or non-human primates, and it subsequently spreads from person-to-person through direct contact with the blood, secretions, organs, or other bodily fluids of infected individuals or contaminated surfaces and materials. Transmission is particularly amplified in health-care settings when IPC measures are inadequate and during unsafe burial practices involving direct contact with deceased individuals. \n\nThe incubation period for BVD ranges from two to 21 days, and infected individuals are not infectious until symptom onset. Early symptoms such as fever, fatigue, muscle pain, headache, and sore throat are non-specific, which complicates clinical diagnosis and can delay detection. These symptoms then progress to gastrointestinal symptoms, organ dysfunction, and, in some cases, haemorrhagic manifestations. \n\nCFRs in the past two BVD outbreaks, reported in Uganda and in the Democratic Republic of the Congo in 2007 and 2012, were 30% and 50%, respectively. \n\nDifferentiating BVD from other endemic febrile illnesses such as malaria is challenging without laboratory confirmation using PCR or antigen- or antibody-based assays. Outbreak control relies on rapid case identification, isolation and care, contact tracing, safe burials and strong community engagement, as no approved vaccines or specific treatments currently exist for BVD. \n\nSince first detected in May 2026, this BVD outbreak has rapidly evolved into a large and geographically expanding epidemic in the Democratic Republic of the Congo, with sustained transmission, high mortality and an increasing risk of further international spread. The current outbreak is the second documented Bundibugyo virus disease outbreak in the country, after the 2012 outbreak, and the largest Ebola disease outbreak ever recorded in the Democratic Republic of the Congo irrespective of Ebola virus species. The population at greatest risk of exposure is concentrated in communities living in and moving through areas with active transmission.  \n\n\n\n\n\n\n\n\n\n### Public health response\n\n\n\n\n\nFor detailed information about the ongoing public health response actions by the Ministry of Health, WHO and partners please refer to the latest situation reports published by the WHO Regional Office for Africa: [Ongoing outbreak in the Democratic Republic of the Congo | WHO | Regional Office for Africa](https://www.afro.who.int/health-topics/ebola-disease/outbreak-drc-26)  \n\nHealth authorities in the Democratic Republic of the Congo, in collaboration with WHO and partners, are continuing to implement and coordinate extensive public health measures, including disease surveillance, laboratory testing, infection prevention and control, clinical care, community engagement, research, logistics and support for response interventions and essential health services, engaging donors and mobilizing additional resources to address critical funding gaps and sustain response operations across affected and at-risk areas. A substantial scale-up is ongoing across all response pillars to get ahead of the outbreak.  \n\n\n\n\n\n\n\n\n\n### WHO risk assessment\n\n\n\n\n\nOn 14 August 2026, WHO reassessed the risk of the outbreak of BVD to incorporate newly available information. The risk for countries sharing land borders with the Democratic Republic of the Congo was separated from the risk for other countries in the African Region. \n\nThe risk in the Democratic Republic of the Congo was assessed as very high due to ongoing transmission and the continued expansion of the outbreak into new health zones, increasing the potential for further national and regional spread. The main considerations supporting this assessment include the substantial increase in the number of cases and considerable geographic extension of the outbreak since the previous risk assessment, and potential further increase in CFR as additional deaths are investigated and outcomes are established. In addition, reported transmission among healthcare workers, ongoing conflict and insecurity, laboratory capacity constraints, and absence of licensed vaccine or specific antiviral treatment were also considered as factors maintaining the very high risk. \n\nThe risk for countries sharing land borders with the Democratic Republic of the Congo was again assessed as high due to sustained population mobility linked to cross-border trade and mining activities, variation in capacities and experience of BVD response, and variable levels of readiness. Uganda, the Central African Republic and South Sudan are of particular concern for importation given their proximity, high population mobility and connectivity with areas of the Democratic Republic of the Congo currently experiencing intense transmission. For the Central African Republic and South Sudan, these risks are further compounded by high humanitarian needs, population displacement, insecurity and underlying limitations in health-system capacity. \n\nThe risk for the rest of the African region and at the global level was again assessed as low. \n\nFor further information, please see [WHO Rapid Risk Assessment-Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo v4](https://www.who.int/publications/m/item/who-rapid-risk-assessment-ebola-disease-caused-by-bundibugyo-virus--democratic-republic-of-the-congo-v4) \n\n\n\n\n\n\n\n\n\n### WHO advice\n\n\n\n\n\nBased on the currently available information, WHO advises against any restriction of travel to, or trade with, affected countries. WHO continues to closely monitor and, where necessary, verify travel and trade measures in relation to this event. \n\nThe updated [Temporary Recommendations](https://www.who.int/news/item/24-08-2026-second-meeting-of-the-ihr-emergency-committee-on-the-epidemic-of-ebola-bundibugyo-virus-disease-in-the-democratic-republic-of-the-congo-temporary-recommendations) issued to States Parties on 24 August 2026 underscore the importance of coordinated outbreak control, strengthened cross‑border collaboration, and sustained surveillance and preparedness to prevent further regional spread and ensure an effective public health response. Rapid recognition of cases, testing and optimized supportive care can reduce mortality, and improve community perceptions and acceptance of health care within the response. \n\nOn 7 August, the WHO Technical Advisory Group on candidate vaccine prioritization released a report regarding possible candidate vaccines for Bundibugyo virus disease.  The members recommended that Ervebo, the only licensed Ebola vaccine (previously known as ebolavirus Zaire), be prioritized for inclusion in a randomized clinical trial in the context of the ongoing outbreak in the Democratic Republic of the Congo.  \n\nIn addition, WHO is sponsoring a clinical trial to find effective treatments against BVD. The trial began enrollment on 2 July. The trial, known as the PARTNERS trial, is now open in three different clinical management facilities in Ituri province and has enrolled over 250 people who are confirmed cases.  \n\n\n\n\n\n\n\n\n\n### Further information\n\n\n\n\n\n**Regular Information products on the outbreak of Bundibugyo virus disease  **\n\nDaily update: [Epidemiological update on BVD outbreak in Democratic Republic of the Congo](https://www.who.int/emergencies/alert-and-response) \n\nPublished weekly: [Ongoing outbreak in the Democratic Republic of the Congo | WHO | Regional Office for Africa](https://www.afro.who.int/health-topics/ebola-disease/outbreak-drc-26) | WHO| Regional Office for Africa  \n\nPublished biweekly:[Disease Outbreak News | All Hazards Public Health Events, Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo](https://www.who.int/emergencies/disease-outbreak-news) \n\n**Additional information **\n\nCurrent outbreak: declarations and status \n\n- [Africa CDC and WHO launch joint continental Ebola response plan](https://www.who.int/news/item/05-06-2026-africa-cdc-and-who-launch-joint-continental-ebola-response-plan) \n- [Bundibugyo Ebola virus | Continental preparedness and response plan: June-November 2026](https://www.afro.who.int/publications/bundibugyo-ebola-virus-continental-preparedness-and-response-plan-june-november-2026) \n- [Epidemic of Ebola Disease caused by Bundibugyo virus in the Democratic Republic of the Congo and Uganda determined a public health emergency of international concern](https://www.who.int/news/item/17-05-2026-epidemic-of-ebola-disease-in-the-democratic-republic-of-the-congo-and-uganda-determined-a-public-health-emergency-of-international-concern) \n- [The Ministry of Public Health, Hygiene and Social Welfare, DRC, officially declares the 17th Ebola Disease outbreak](https://administration.sante.gouv.cd/wp-content/uploads/2026/05/Declaration-de-la-17e-Epidemie-de-la-maladie-a-virus-Ebola-dans-les-zones-de-sante-de-Rwampara-Mongwalu-et-Bunia-dans-la-province-dIturi.pdf) \n- [WHO Democratic Republic of Congo confirms new Ebola outbreak](https://www.afro.who.int/countries/democratic-republic-of-congo/news/democratic-republic-congo-confirms-new-ebola-outbreak-who-scales-upsupport) \n- [Message by the WHO Director-General to the people of the Democratic Republic of the Congo](https://www.who.int/news/item/28-05-2026-message-by-the-who-director-general-to-the-people-of-the-democratic-republic-of-the-congo) \n- [At the frontline of trust: a day with Julienne Anoko WHO's Ebola Community Engagement Officer in DRC](https://www.afro.who.int/countries/democratic-republic-of-congo/news/frontline-trust-day-julienne-anoko-whos-ebola-community-engagement-officer-drc) \n- [Decentralized testing speeds up Ebola response in the Democratic Republic of the Congo](https://www.afro.who.int/countries/democratic-republic-of-congo/news/decentralized-testing-speeds-ebola-response-democratic-republic-congo) \n- [Uganda ends Ebola outbreak following completion of 42-day countdown | WHO | Regional Office for Afri…](https://www.afro.who.int/countries/uganda/news/uganda-ends-ebola-outbreak-following-completion-42-day-countdown) \n- [Second meeting of the IHR Emergency Committee on the epidemic of Ebola Bundibugyo virus disease in the Democratic Republic of the Congo – Temporary recommendations](https://www.who.int/news/item/24-08-2026-second-meeting-of-the-ihr-emergency-committee-on-the-epidemic-of-ebola-bundibugyo-virus-disease-in-the-democratic-republic-of-the-congo-temporary-recommendations) \n\nWHO Rapid risk assessments \n\n- [WHO Rapid Risk Assessment-Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo v4](https://www.who.int/publications/m/item/who-rapid-risk-assessment-ebola-disease-caused-by-bundibugyo-virus--democratic-republic-of-the-congo-v4) \n\nEpidemiological updates and situation reports \n\n- [Weekly External Situation Report. EBOLA BUNDIBUGYO VIRUS DISEASE OUTBREAK Democratic Republic of the Congo | Uganda.](https://www.afro.who.int/health-topics/ebola-disease/outbreak-drc-26) \n- [Ebola Outbreak: Current Situation | Ebola | CDC](https://www.cdc.gov/ebola/situation-summary/index.html) \n- [Daily situation report, Ministry of Health, Democratic Republic of the Congo.](https://insp.cd/category/sitrep/) \n- [Press Statements - Ministry of Health - Uganda](https://health.go.ug/press-statements/) \n- [Ebola updates, Ministry of Health, Uganda](https://evd-daily.health.go.ug/)  \n\nPublished Disease Outbreak News (current outbreak) \n\n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo and Uganda 16 May 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON602) \n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo. 21 May 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON603) \n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo. 29 May 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON605) \n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo and Uganda 8 June 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON606) \n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo and Uganda 13 June 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON607) \n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo and Uganda 19 June 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON608) \n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo and Uganda 3 July 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON612) \n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo and Uganda 17 July 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON613) \n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo 1 August 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON614)\n- [Disease outbreak news. Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo 14 August 2026](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON615) \n\nClinical management, IPC, and occupational safety \n\n- [WHO guidelines for the clinical management of filovirus disease](https://www.who.int/publications/i/item/B09774) \n- [Infection prevention and control guideline for Ebola and Marburg disease. WHO.17 May 2026](https://www.who.int/publications/i/item/9789240111332) \n- [Infection prevention and control and water, sanitation and hygiene in health facilities during Ebola or Marburg disease outbreaks: rapid assessment tool, user guide.](https://www.who.int/publications/i/item/9789240107205) \n- [Assessment and management of health and care workers with possible occupational exposures to Orthoebolavirus or Orthomarburgvirus: implementation guidance](https://www.who.int/publications/i/item/9789240107328) \n- [Optimized Supportive Care for Ebola Virus Disease. Clinical management standard operating procedures. WHO. 2019](https://www.who.int/publications/i/item/9789241515894) \n- [Framework and toolkit for infection prevention and control in outbreak preparedness, readiness and response at the national level](https://www.who.int/publications/i/item/9789240032729) \n- [Diagnostic testing for Ebola disease and Marburg virus disease: interim guidance, 9 July 2026](https://iris.who.int/handle/10665/386711) \n- [Considerations for border health and points of entry for filovirus disease outbreaks](https://www.who.int/publications/m/item/considerations-for-border-health-and-points-of-entry-for-filovirus-disease-outbreaks) \n\n Vaccines \n\n- [Third meeting of the WHO Technical Advisory Group on candidate vaccine prioritization (TAG-CVP) for Bundibugyo virus disease outbreak response: meeting report, 31 July 2026](https://www.who.int/publications/i/item/B09865)   \n- [WHO press release regarding a clinical trial to find effective treatments against Bundibugyo virus disease.](https://www.who.int/news/item/02-07-2026-patient-enrolment-begins-in-a-scientific-trial-to-identify-the-first-effective-treatments-for-bundibugyo-virus-disease) \n\nTraining \n\n[WHO Launches Online Training to Strengthen Filovirus Outbreak Response](https://www.who.int/news/item/26-03-2025-who-launches-online-training-to-strengthen-filovirus-outbreak-response) \n\nPrior Bundibugyo virus disease events, DRC (2012) \n\n- [Disease Outbreak News. Ebola outbreak in Democratic Republic of Congo – update. WHO. 14 September 2012](https://www.who.int/emergencies/disease-outbreak-news/item/2012_09_14-en) \n- [Disease Outbreak News. Ebola outbreak in Democratic Republic of Congo – update. WHO. 26 October 2012](https://www.who.int/emergencies/disease-outbreak-news/item/2012_10_26-en) \n\nBackground and reference \n\n[Ebola disease fact sheet](https://www.who.int/news-room/fact-sheets/detail/ebola-disease) \n\n[Ebola vaccines](https://www.who.int/news-room/questions-and-answers/item/ebola-vaccines) \n\nCitable reference: World Health Organization (31 July 2026). Disease Outbreak News; Bundibugyo Virus Disease, Democratic Republic of the Congo and Uganda. Available at  \n\n[https://www/who.int/emergencies/disease-outbreak/news/item/2026-DON614](https://www/who.int/emergencies/disease-outbreak/news/item/2026-DON614) \n\nWorld Health Organization (1 August 2026). Disease Outbreak News; Bundibugyo Virus Disease, Democratic Republic of the Congo and Uganda. Available at  \n\n[https://www/who.int/emergencies/disease-outbreak/news/item/2026-DON614](https://www/who.int/emergencies/disease-outbreak/news/item/2026-DON614) \n\nWorld Health Organization (14 August 2026). Disease Outbreak News; Bundibugyo Virus Disease, Democratic Republic of the Congo. Available at:  [https://www/who.int/emergencies/disease-outbreak/news/item/2026-DON615](https://www/who.int/emergencies/disease-outbreak/news/item/2026-DON615) \n\nWorld Health Organization (28 August 2026). Disease Outbreak News; Bundibugyo Virus Disease, Democratic Republic of the Congo. Available at:  [https://www/who.int/emergencies/disease-outbreak/news/item/2026-DON616](https://www/who.int/emergencies/disease-outbreak/news/item/2026-DON616)  \n\n \n\n \n\n \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [See all DONs related to this event](https://www.who.int/emergencies/emergency-events/item/2026-e000253)\n\n\n\n\n\n\n\n [Read more about Ebola disease](/health-topics/ebola)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n -  [Regions](/redirect-pages/footer/regions)\n   -  [Africa](/redirect-pages/footer/regions/africa)\n   -  [Americas](/redirect-pages/footer/regions/americas)\n   -  [Eastern Mediterranean](/redirect-pages/footer/regions/eastern-mediterranen)\n   -  [Europe](/redirect-pages/footer/regions/europe)\n   -  [South-East Asia](/redirect-pages/footer/regions/south-east-asia)\n   -  [Western Pacific](/redirect-pages/footer/regions/western-pacific)\n\n\n -  [Policies](/redirect-pages/footer/who-policies)\n   -  [Cybersecurity](/redirect-pages/footer/who-policies/cybersecurity)\n   -  [Ethics](/redirect-pages/footer/who-policies/ethics)\n   -  [Information disclosure](/redirect-pages/footer/who-policies/information-disclosure)\n   -  [Permissions and licensing](/redirect-pages/footer/who-policies/permissions-and-licensing)\n   -  [Preventing sexual exploitation](/redirect-pages/footer/who-policies/preventing-sexual-exploitation)\n   -  [Terms of use](/redirect-pages/footer/who-policies/terms-of-use)\n\n\n -  [About us](/redirect-pages/footer/about-us)\n   -  [Careers](/redirect-pages/footer/about-us/careers)\n   -  [Frequently asked questions](/redirect-pages/footer/about-us/frequently-asked-questions)\n   -  [Library](/redirect-pages/footer/about-us/library)\n   -  [Procurement](/redirect-pages/footer/about-us/procurement)\n   -  [Publications](/redirect-pages/footer/about-us/publications)\n\n\n\n\n\n\n\n\n\n\n\n\n - [Contact us](/about/contact-us)\n\n\n\n\n\n\n\n[Newsletters](/redirect-pages/footer/about-us/newsletters)\n\n\n\n\n\n\n\n[Report misconduct](/about/office-of-internal-oversight-services/integrity-hotline)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n [![Home](/ResourcePackages/WHO/assets/dist/images/logos/en/h-logo-white.svg)](/)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n[Privacy policy](/about/policies/privacy)\n\n\n\n\n\n\n\n\n\n\n\n[https://www.youtube.com/user/who?sub_confirmation=%5BREDACTED%5D [https://twitter.com/intent/follow?source=%5BREDACTED%5D&variant=%5BREDACTED%5D&screen_name=%5BREDACTED%5D&variant=%5BREDACTED%5D&screen_name=%5BREDACTED%5D [https://www.facebook.com/WHO](https://www.facebook.com/WHO) [https://instagram.com/who](https://instagram.com/who) [https://www.linkedin.com/company/world-health-organization](https://www.linkedin.com/company/world-health-organization) [https://www.snapchat.com/add/who](https://www.snapchat.com/add/who) [https://www.tiktok.com/@who?lang=%5BREDACTED%5D\n\n\n\n\n\n\n\n  ©  2026\n\n\n\n[WHO](/about/policies/terms-of-use)",
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    "message": "Two DONs in the past 14 days (Aug 28 - Sep 11, 2026), both on the same event: Ebola disease caused by Bundibugyo virus in the Democratic Republic of the Congo. It's still a Public Health Emergency of International Concern.\n\n| Item | Date | Location | Cases / deaths | Risk |\n|---|---|---|---|---|\n| [DON617](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON617) | 10 Sep 2026 | DRC, 61 health zones across 6 provinces (Ituri epicentre, then North Kivu) | 6757 confirmed cases, 3267 deaths in DRC as of 7 Sep (CFR 48.3%); 6778 cases and 3269 deaths globally counting 20 in Uganda and 1 in France | Very high in DRC, high in bordering countries, low regionally and globally (assessment of 14 Aug) |\n| [DON616](https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON616) | 28 Aug 2026 | DRC, 60 health zones across the same 6 provinces | 5794 confirmed cases, 2786 deaths in DRC as of 26 Aug (CFR 48.1%); 5815 cases and 2788 deaths globally | Same: very high / high / low |\n\nBetween the two reports DRC added 963 confirmed cases and 481 deaths, and the outbreak spread to Kayna health zone in North Kivu. North Kivu has the worst CFR in the outbreak, 65.4% as of the September report, and it's under investigation. Uganda and France both completed their 42-day monitoring periods by 27 Aug. Ervebo vaccination of health and frontline workers is underway, 2007 people vaccinated as of 6 Sep, and WHO says it should only be used for Bundibugyo within a research protocol. WHO advises no travel or trade restrictions."
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  "result": "Delivered (confirmed) as 4 messages. Your draft was polished into texting register, so the wording differs from what you wrote; this is exactly what the user sees:\n1) Two updates in 14 days: both on Ebola Bundibugyo in DRC, still a Public Health Emergency of International Concern.\n2) ### Disease Outbreak News: Ebola Bundibugyo, DRC · WHO reports\n\n| Item | Date | Location | Cases / Deaths | Risk |\n|---|---|---|---|---|\n| DON617 | 10 Sep 2026 | DRC, 61 health zones across 6 provinces (Ituri epicentre, then North Kivu) | 6757 confirmed cases, 3267 deaths in DRC as of 7 Sep (CFR 48.3%); 6778 cases and 3269 deaths globally including 20 in Uganda and 1 in France | Very high in DRC, high in bordering countries, low regionally and globally |\n| DON616 | 28 Aug 2026 | DRC, 60 health zones across same 6 provinces | 5794 confirmed cases, 2786 deaths in DRC as of 26 Aug (CFR 48.1%); 5815 cases and 2788 deaths globally | Same: very high / high / low |\n3) https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON617\nhttps://www.who.int/emergencies/disease-outbreak-news/item/2026-DON616\n4) DRC added 963 cases and 481 deaths between reports. North Kivu now has 65.4% CFR, under investigation. Uganda and France completed 42-day monitoring by Aug 27. Ervebo vaccination: 2007 health and frontline workers vaccinated as of Sep 6, restricted to research protocols for Bundibugyo. No travel or trade restrictions advised.\nThese are your words now, and this is the whole reply: the delivery layer chose its density and shape by design. Never dispute, re-explain, or apologize for the phrasing, and never send a supplement to restore detail it left out. Only a final send settles its request. Never chase wording with another send. If a fact in it is wrong and would change what the user does, correct it when their next message arrives.\n\nNothing else is open: no request awaits a reply and no work is running. A response with no tool call ends the run.\nanswers: 7dd39cd2-29ff-4e26-ad88-d7803b1907f2",
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