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Viral Infections and Outbreaks Research / Zoonotic Diseases and Public Health · Journal article
Infectious Disease Reports · August 28, 2026
A consensus or society position rather than new primary data.
This narrative review synthesizes nearly five decades of EVD epidemiology and outbreak response, tracing the expansion of transmission contexts and the emergence of molecular, vaccine, and digital preparedness tools. While it confirms established interventions such as rVSV-ZEBOV ring vaccination and identifies critical gaps—including vaccine inequity for Sudan and Bundibugyo viruses and limited real-world evidence for AI-assisted surveillance in low-resource settings—it does not report new clinical or epidemiological data and serves primarily to frame strategic priorities for integrated One Health preparedness.
Narrative review. Historical and contemporary Ebola virus disease outbreaks globally from 1976 to 2026, including the 2026 Bundibugyo virus public health emergency in the Democratic Republic of the Congo and Uganda.. Global; specific emphasis on Democratic Republic of the Congo and Uganda for the 2026 outbreak..
rVSV-ZEBOV ring vaccination has shown high effectiveness against Zaire ebolavirus, yet vaccine equity gaps persist for Sudan virus and Bundibugyo virus. Recognized amplification mechanisms for EVD now include rural zoonotic spillovers, delays in detection, population mobility, ecological disruption, armed conflict, healthcare-associated transmission, and viral persistence in survivors. Artificial intelligence and digital technologies (early warning systems, portable sequencing, drones, blockchain, mobile health) offer promising tools for preparedness, but robust evidence of real-world operational impact during filovirus outbreaks remains limited.
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Clinicians and public health professionals should recognize that while ring vaccination with rVSV-ZEBOV remains effective for Zaire ebolavirus, critical preparedness gaps persist: vaccine coverage for Sudan and Bundibugyo viruses, timely detection systems, and equitable access to diagnostics and therapeutics in low-resource settings. Integrated One Health frameworks and sustained multi-year financing are essential to translate epidemiological insights into operational resilience.
A narrative review synthesizing evolving epidemiology, surveillance advances, and preparedness frameworks for EVD; provides strategic guidance on One Health integration and identifies structural vulnerabilities, but does not report new primary data or clinical trial results.
As stated by the source record.
Quoted from the source exactly as published.
Clinicians and public health professionals should recognize that while ring vaccination with rVSV-ZEBOV remains effective for Zaire ebolavirus, critical preparedness gaps persist: vaccine coverage for Sudan and Bundibugyo viruses, timely detection systems, and equitable access to diagnostics and therapeutics in low-resource settings. Integrated One Health frameworks and sustained multi-year financing are essential to translate epidemiological insights into operational resilience.
Graded across the dimensions that decide whether you should act, each from what the source actually supports. There is no single score, and where a dimension was not assessed it says so.
Ebola virus disease (EVD) remains one of the most severe viral hemorrhagic fevers, with recurrent outbreaks challenging global healthcare systems. This narrative review traces the evolving epidemiology of EVD from the first recognized outbreaks in 1976 to the ongoing 2026 Bundibugyo virus public health emergency in the Democratic Republic of the Congo (DRC) and Uganda. Over nearly five decades, the recognized range of Ebola outbreak contexts and amplification mechanisms has broadened considerably: rural zoonotic spillovers remain the predominant mode of emergence, but the scale and reach of subsequent transmission increasingly depend on where introductions occur, on delays in detection, on population mobility, on ecological disruption, on armed conflict, on healthcare-associated transmission, and on viral persistence in survivors. Major advances in molecular epidemiology and genomic surveillance have improved outbreak investigation, enabling real-time transmission reconstruction and detection of survivor-linked resurgence. Vaccination, particularly ring vaccination with rVSV-ZEBOV, has shown high effectiveness against Zaire ebolavirus, yet vaccine equity gaps and the absence of licensed vaccines for Sudan virus and Bundibugyo virus remain critical vulnerabilities, though new candidate vaccines and therapeutics for Bundibugyo virus entered clinical evaluation in mid-2026. Artificial intelligence and digital technologies, including AI-assisted early warning systems, portable sequencing, drones, blockchain, and mobile health platforms, offer promising tools for outbreak preparedness, but robust evidence of their real-world operational impact during filovirus outbreaks remains limited, and their deployment in low-resource settings faces substantial barriers related to infrastructure, literacy, data costs, and governance. Integrated preparedness frameworks that combine ecological surveillance, resilient healthcare systems, community engagement, and international coordination under a One Health umbrella are increasingly viewed as a strategic necessity. The 2026 Bundibugyo outbreak reaffirms that despite decades of lessons, structural weaknesses in surveillance, response timeliness, and community trust continue to recur. Sustainable, multi-year financing, diversified vaccine platforms, regional manufacturing, and local co-design of digital tools are essential to translate lessons into lasting change. Preparedness is best understood as a continuous process rather than a reactive state.
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