Gouécké, Nzérékoré Prefecture
Zaire ebolavirus · Nzérékoré · verified historical
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Summary
An outbreak in Nzérékoré Prefecture, southern Guinea, infected 23 people and killed 12 (CFR 52%). Genomic analysis showed the virus was closely related to strains from the 2014-16 West Africa epidemic — evidence of persistent infection in a survivor for at least five years rather than a fresh zoonotic spillover.
Why this matters
First confirmed multi-year survivor-mediated reactivation of Ebola; reshaped post-epidemic survivor surveillance practice.
Sources
- T1 Ebola Virus Disease Distribution Map and Outbreak History CDC · 2026-05-18
- T2 Resurgence of Ebola virus in 2021 in Guinea suggests a new paradigm for outbreaks (Keita et al.) Nature · 2026-05-18