An outbreak of Ebola in the Democratic Republic of Congo (DRC) and Uganda has spiralled rapidly, with officials reporting that the situation may have been developing for several months. Health authorities indicated that the spread of this particular strain, known as Bundibugyo, could be linked to a “super-spreader” event that occurred during a funeral in early May.
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As of May 20, 2026, at least 600 individuals have contracted the disease, leading to 139 confirmed fatalities. The World Health Organization (WHO) has raised concerns that these numbers may continue to climb due to the significant amount of time the virus may have been circulating before it was officially identified.
Dr. Tedros Adhanom Ghebreyesus, Director-General of WHO, expressed worries over the outbreak’s progression during a recent press briefing. He highlighted that the situation has escalated more swiftly than anticipated and that possibly, the outbreak could have emerged “a couple of months ago.”
Ebola is a viral disease caused by a group of viruses known as orthoebolaviruses. Bundibugyo, while rare, presents distinct challenges in detection as it is often excluded from routine testing for Ebola. This factor has reportedly contributed to delays in the identification of initial cases in the current outbreak. Symptoms of the disease can manifest up to 21 days following exposure and typically begin with “dry” symptoms such as fever, muscle aches, headaches, and fatigue. These can evolve into “wet” symptoms, which may include severe diarrhoea, vomiting, and bleeding from various bodily orifices.
Transmission of the virus occurs through direct contact with the bodily fluids of an infected person, whether deceased or alive. This can also extend to surfaces and items such as clothing or bedding that have been contaminated with these fluids. The WHO has put forth strict guidelines aimed at disinfecting and properly disposing of materials that come into contact with the virus to mitigate further spread.
On May 17, against the backdrop of increasing illness and fatalities, WHO officially declared the outbreak a “public health emergency of international concern.” At that point, the reported human toll included 80 suspected deaths and 246 possible cases. However, within just a few days, those suspected cases surged, more than doubling the infection rate.
Chikwe Ihekweazu, WHO’s lead on emergency responses, stated that the immediate priority is to identify all existing transmission chains related to this outbreak. Such measures are deemed crucial for understanding the full extent of the epidemic and ensuring that affected individuals receive appropriate care.
Adding to the urgency of the situation, health experts indicate that a vaccine to combat the Bundibugyo strain is still several months away from being developed. According to Dr. Vasee Moorthy, a WHO advisor at the recent press conference, there are currently two vaccine candidates under development; however, neither has yet commenced clinical trials. One of the candidates has shown “promising” results, but it is anticipated that it may take between six to nine months before a viable vaccine can be made available for public use.
With the outbreak continuing to unfold, health workers have been mobilised to respond to the crisis in affected areas. The swift spread of Ebola underscores the importance of rapid detection and containment strategies to prevent further devastation in vulnerable communities. As the region grapples with this critical health emergency, the international community watches closely, aware of the potential ramifications should the outbreak be left unchecked.