Ebola disease

Featured image titled The Outbreak That Wouldn’t Die: Ebola, showing an Ebola virus graphic, survivor silhouette, world map, and statistics on 531 days of virus detection and 91 relapse-linked cases.
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The Outbreak That Wouldn’t Die: Ebola

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Epidemiologists have found that recent Ebola outbreaks may be linked to the virus re-emerging from human survivors rather than from wildlife. The virus can persist in immune-protected sites, notably semen, for months. A significant percentage of survivors experience long-term health effects, necessitating continued surveillance and testing for ongoing transmission risks.

Featured image about Ebola vaccine development showing an Ebola vaccine vial, virus illustration, syringe, laboratory setting, and key data including 100% estimated efficacy in the Guinea ring-vaccination trial, 98% real-world effectiveness in DRC outbreak analysis, 518,890 stockpiled doses, and ongoing challenges such as species gaps, durability, and vaccine deployment.
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Why there is still no Universal Ebola Vaccine

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Ebola vaccine development has made major progress, moving from experimental research to licensed vaccines and real-world outbreak control. Yet important challenges remain, including limited protection across all Ebola species, uncertain durability of immunity, and the difficulty of testing vaccines during unpredictable outbreaks.

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