OverviewPast 6 months
OutbreakIndex
01Overview
OverviewExplore
02Analyze
TrendsUpdatesOutbreaks
03Resources
Data SourcesLassa feverEmbed
Last update
21 Oct 2026 · 22:28 UTC
ImprintPrivacy

Lassa Fever Tracker — Real-time global Lassa fever surveillance and outbreak map

Total cases
393
New cases (7d)
0
Total deaths
84
Affected countries
1

Cumulative totals

  • Cumulative cases
  • Cumulative deaths
5002500
Apr 20Jul 20Oct 20
Cumulative totals
DateCumulative casesCumulative deaths
Apr 20, 202600
Apr 21, 202600
Apr 22, 202600
Apr 23, 202600
Apr 24, 202600
Apr 25, 202600
Apr 26, 202696
Apr 27, 202696
Apr 28, 202696
Apr 29, 202696
Apr 30, 202696
May 1, 202696
May 2, 202696
May 3, 2026317
May 4, 2026317
May 5, 2026317
May 6, 2026317
May 7, 2026317
May 8, 2026317
May 9, 2026317
May 10, 20264820
May 11, 20264820
May 12, 20264820
May 13, 20264820
May 14, 20264820
May 15, 20264820
May 16, 20264820
May 17, 20267224
May 18, 20267224
May 19, 20267224
May 20, 20267224
May 21, 20267224
May 22, 20267224
May 23, 20267224
May 24, 20268424
May 25, 20268424
May 26, 20268424
May 27, 20268424
May 28, 20268424
May 29, 20268424
May 30, 20268424
May 31, 20269726
Jun 1, 20269726
Jun 2, 20269726
Jun 3, 20269726
Jun 4, 20269726
Jun 5, 20269726
Jun 6, 20269726
Jun 7, 202611030
Jun 8, 202611030
Jun 9, 202611030
Jun 10, 202611030
Jun 11, 202611030
Jun 12, 202611030
Jun 13, 202611030
Jun 14, 202612332
Jun 15, 202612332
Jun 16, 202612332
Jun 17, 202612332
Jun 18, 202612332
Jun 19, 202612332
Jun 20, 202612332
Jun 21, 202614635
Jun 22, 202614635
Jun 23, 202614635
Jun 24, 202614635
Jun 25, 202614635
Jun 26, 202614635
Jun 27, 202614635
Jun 28, 202617737
Jun 29, 202617737
Jun 30, 202617737
Jul 1, 202617737
Jul 2, 202617737
Jul 3, 202617737
Jul 4, 202617737
Jul 5, 202619140
Jul 6, 202619140
Jul 7, 202619140
Jul 8, 202619140
Jul 9, 202619140
Jul 10, 202619140
Jul 11, 202619140
Jul 12, 202621845
Jul 13, 202621845
Jul 14, 202621845
Jul 15, 202621845
Jul 16, 202621845
Jul 17, 202621845
Jul 18, 202621845
Jul 19, 202623847
Jul 20, 202623847
Jul 21, 202623847
Jul 22, 202623847
Jul 23, 202623847
Jul 24, 202623847
Jul 25, 202623847
Jul 26, 202625553
Jul 27, 202625553
Jul 28, 202625553
Jul 29, 202625553
Jul 30, 202625553
Jul 31, 202625553
Aug 1, 202625553
Aug 2, 202627255
Aug 3, 202627255
Aug 4, 202627255
Aug 5, 202627255
Aug 6, 202627255
Aug 7, 202627255
Aug 8, 202627255
Aug 9, 202627656
Aug 10, 202627656
Aug 11, 202627656
Aug 12, 202627656
Aug 13, 202627656
Aug 14, 202627656
Aug 15, 202627656
Aug 16, 202629068
Aug 17, 202629068
Aug 18, 202629068
Aug 19, 202629068
Aug 20, 202629068
Aug 21, 202629068
Aug 22, 202629068
Aug 23, 202631169
Aug 24, 202631169
Aug 25, 202631169
Aug 26, 202631169
Aug 27, 202631169
Aug 28, 202631169
Aug 29, 202631169
Aug 30, 202632974
Aug 31, 202632974
Sep 1, 202632974
Sep 2, 202632974
Sep 3, 202632974
Sep 4, 202632974
Sep 5, 202632974
Sep 6, 202634175
Sep 7, 202634175
Sep 8, 202634175
Sep 9, 202634175
Sep 10, 202634175
Sep 11, 202634175
Sep 12, 202634175
Sep 13, 202635975
Sep 14, 202635975
Sep 15, 202635975
Sep 16, 202635975
Sep 17, 202635975
Sep 18, 202635975
Sep 19, 202635975
Sep 20, 202637079
Sep 21, 202637079
Sep 22, 202637079
Sep 23, 202637079
Sep 24, 202637079
Sep 25, 202637079
Sep 26, 202637079
Sep 27, 202638983
Sep 28, 202638983
Sep 29, 202638983
Sep 30, 202638983
Oct 1, 202638983
Oct 2, 202638983
Oct 3, 202638983
Oct 4, 202639384
Oct 5, 202639384
Oct 6, 202639384
Oct 7, 202639384
Oct 8, 202639384
Oct 9, 202639384
Oct 10, 202639384
Oct 11, 202639384
Oct 12, 202639384
Oct 13, 202639384
Oct 14, 202639384
Oct 15, 202639384
Oct 16, 202639384
Oct 17, 202639384
Oct 18, 202639384
Oct 19, 202639384
Oct 20, 202639384

Top countries

  •  
     
  •  
     
  •  
     
  •  
     
  •  
     

Lineage share

  • Lineage II62%
  • Lineage III38%
  • Unspecified1%

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.

outbreakindex.com