Mbomo and Kéllé
Zaire ebolavirus · Cuvette-Ouest · verified historical
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Summary
An outbreak in the Cuvette-Ouest region of the Republic of Congo around Mbomo and Kéllé villages, again coinciding with mass great-ape mortality. 143 cases and 128 deaths were recorded (CFR 89%), one of the highest case-fatality rates ever observed.
Why this matters
Extreme CFR (89%) reinforced Zaire-strain as the most lethal ebolavirus.
Sources
- T1 Ebola Virus Disease Distribution Map and Outbreak History CDC · 2026-05-18