We use local storage to remember your preferences and measure audience anonymously (Vercel Analytics — no personal data collected). Privacy Policy
963
Confirmed cases
229
Deaths
23.8%
Case fatality rate
1
Countries affected
Updated: July 24, 2026
Get alerted when Lassa fever cases are reported in your region →
Pathogen
RNA virus
Arenaviridae
Incubation
6–21 d
CFR (reference)
~1 % global; 15 % hospitalisé
Vaccine
Not availableRibavirin (early phase)
Treatment
AvailableTransmission
Track Lassa fever outbreaks continuously
Exact case & death counts · Regional alerts · PDF reports · CSV export
14 days free · No credit card
Get daily outbreak alerts
Be notified the moment a new outbreak is reported, or an existing one escalates.
Weekly digest · WHO, ECDC, PAHO & Africa CDC · Easy unsubscribe