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Outbreak Updates

05 March 2026

Nigeria

Lassa fever in Nigeria

As of 22 February 2026, a total of 1,989 suspected Lassa fever cases (404 confirmed, 43 deaths) have been reported since the start of 2026. Confirmed cases have been reported in 18 states, with 84% of confirmed cases reported from Ondo, Bauchi, Edo and Taraba. Please see our Topics in Brief article for further details on Lassa fever.

Source: State Lassa fever in brief

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B. 2 to 6 weeks

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3. What is your main health concern for this trip?

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D. Having an accident or being affected by heat, sun, or high altitude

4. Where do you usually get travel health advice before you go?

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B. From a pharmacist or travel health clinic

C. From friends, family or social media

D. I don’t usually get travel health advice

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Hospital for Tropical Diseases

Liverpool School of Tropical Medicine

London School of Hygiene and Tropical Medicine

University College London Hospitals NHS Foundation Trust

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Lassa fever in Nigeria

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