Event Brief
Dec 27, 2025 at 1:03 AM ET
Ebola Outbreak Spurs Lassa Fever Vaccine Development
By The BriefBrief
Scientists are advancing a Lassa fever vaccine in response to the Ebola outbreak.
WHO: Scientists
WHAT: Development of Lassa fever vaccine
WHEN: Dec 26, 2025 at 7:00 PM ET
WHERE: West Africa, especially Nigeria
WHY: To contain Lassa fever in the sub-region
How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.
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