DR Congo Ebola outbreak: cases near 600, spread warning issued

The Democratic Republic of the Congo (DRC) is currently experiencing a significant and rapidly expanding outbreak of Ebola virus disease, caused by the rare Bundibugyo strain. As of Tuesday, June 10, 2026, confirmed cases have climbed to 598, with 115 deaths reported. Health authorities have also reported 48 new confirmed cases and 14 deaths on the preceding Monday, indicating continued community transmission. The outbreak has spread beyond the DRC's borders, with Uganda also reporting confirmed cases and deaths [11, 40]. The Bundibugyo strain of Ebola is a concern because there are no approved vaccines or specific treatments available for it, unlike the Zaire strain which has seen successful vaccination campaigns in the past [8, 9, 33]. This means that response efforts are heavily reliant on public health measures such as early case detection, isolation, infection prevention and control, contact tracing, and safe burial practices [8]. The epicenter of the outbreak is Ituri province, one of three provinces affected, along with North Kivu and South Kivu [4, 5]. The outbreak was officially declared on May 15, 2026, by the DRC health ministry. However, officials have indicated that the virus may have been circulating undetected for weeks, putting health authorities behind the curve in their containment efforts [24, 42]. The World Health Organization (WHO) has declared the outbreak a Public Health Emergency of International Concern (PHEIC) and the Africa Centres for Disease Control and Prevention (Africa CDC) has also declared it a Public Health Emergency of Continental Security [8, 9, 19]. Response efforts are facing significant challenges. Insecurity, due to the presence of armed groups and ongoing conflict in the eastern DRC, is severely hampering access to affected areas and limiting the ability of health workers to reach those in need [11, 46]. This is compounded by a lack of essential equipment and supplies. Medics are reportedly struggling to secure basic protective equipment, including boots and masks, with stocks expected to run out within days in some areas. Shortages of chlorine, face shields, and alcoholic gel have also been reported [14, 15, 28]. Mistrust and resistance within affected communities also pose a significant challenge. Attacks on burial teams and treatment centers have been reported, and there is a general skepticism towards foreign aid groups and a lack of trust in official information [11, 24, 46]. This can lead to the avoidance of health services, non-compliance with safety measures, and difficulties in contact tracing. Cross-border transmission to Uganda has been confirmed, with cases linked to travel from the DRC [5, 10]. Uganda has deployed health workers to the DRC and established mobile labs in border towns to aid in containment efforts [12]. Globally, the risk of widespread international transmission is considered low, but the national and regional risks are elevated due to ongoing transmission, population movement, and weak health infrastructure in the affected areas [19, 33]. The World Health Organization estimates the case-fatality rate for the Bundibugyo strain to be around 40%, although the reported rate in this outbreak is lower, likely due to ongoing investigations of deaths that occurred before the official declaration [7, 34]. The situation highlights the ongoing struggle to contain Ebola outbreaks in regions with complex humanitarian crises, weak health systems, and security challenges. The Bundibugyo strain's lack of a vaccine or specific treatment underscores the critical importance of rapid public health interventions and community engagement for effective outbreak control.

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