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Data SourcesLassa feverEmbed
Last update
20 Jul 2026 · 12:49 UTC
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Lassa Fever Tracker — Real-time global Lassa fever surveillance and outbreak map

Total cases781
New cases (24h)6
Total deaths201
Affected countries3

Case History

26confirmed last 30 days
20100
30d agotoday

Death History

201reported last 30 days
210
30d agotoday

Top countries

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Variant share

  • Lineage II67%
  • Lineage III8%
  • Lineage IV13%
  • Lineage I8%
  • Lineage V4%
  • Lineage VI0%

OutbreakIndex is an independent project and is not affiliated with WHO, CDC, ECDC, PAHO, or ProMED. All content is aggregated from public sources and is general information — not medical advice, and not a substitute for assessment by a qualified clinician.

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