Outbreak Updates
27 November 2025
Lassa fever in Nigeria
Between 1 January and 16 November 2025, a total of 8,679 suspected Lassa fever cases (995 confirmed and 184 deaths) have been reported. Cases have been reported from 21 states with 88% of confirmed cases from the states of Ondo, Bauchi, Edo and Taraba. Please see our Topics in Brief article for further details on Lassa fever.
Take usual precautions
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