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Data SourcesLassa feverEmbed
Last update
21 Oct 2026 · 22:28 UTC
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Lassa fever trends — epidemic curve and daily cases

Daily new confirmed cases and deaths over time, with a 7-day trailing average and cumulative totals.

Jan 4, 2026 – Oct 4, 2026

Cases in range

1,138

Deaths in range

268

Case fatality rate

23.6%

Cumulative totals

  • Cumulative cases
  • Cumulative deaths
2,0001,0000
Jan 4May 20Oct 4
Cumulative totals
DateCumulative casesCumulative deaths
Jan 4, 2026219
Jan 5, 2026219
Jan 6, 2026219
Jan 7, 2026219
Jan 8, 2026219
Jan 9, 2026219
Jan 10, 2026219
Jan 11, 20265411
Jan 12, 20265411
Jan 13, 20265411
Jan 14, 20265411
Jan 15, 20265411
Jan 16, 20265411
Jan 17, 20265411
Jan 18, 20269317
Jan 19, 20269317
Jan 20, 20269317
Jan 21, 20269317
Jan 22, 20269317
Jan 23, 20269317
Jan 24, 20269317
Jan 25, 202612125
Jan 26, 202612125
Jan 27, 202612125
Jan 28, 202612125
Jan 29, 202612125
Jan 30, 202612125
Jan 31, 202612125
Feb 1, 202616531
Feb 2, 202616531
Feb 3, 202616531
Feb 4, 202616531
Feb 5, 202616531
Feb 6, 202616531
Feb 7, 202616531
Feb 8, 202624051
Feb 9, 202624051
Feb 10, 202624051
Feb 11, 202624051
Feb 12, 202624051
Feb 13, 202624051
Feb 14, 202624051
Feb 15, 202632780
Feb 16, 202632780
Feb 17, 202632780
Feb 18, 202632780
Feb 19, 202632780
Feb 20, 202632780
Feb 21, 202632780
Feb 22, 202640499
Feb 23, 202640499
Feb 24, 202640499
Feb 25, 202640499
Feb 26, 202640499
Feb 27, 202640499
Feb 28, 202640499
Mar 1, 2026469109
Mar 2, 2026469109
Mar 3, 2026469109
Mar 4, 2026469109
Mar 5, 2026469109
Mar 6, 2026469109
Mar 7, 2026469109
Mar 8, 2026516135
Mar 9, 2026516135
Mar 10, 2026516135
Mar 11, 2026516135
Mar 12, 2026516135
Mar 13, 2026516135
Mar 14, 2026516135
Mar 15, 2026582146
Mar 16, 2026582146
Mar 17, 2026582146
Mar 18, 2026582146
Mar 19, 2026582146
Mar 20, 2026582146
Mar 21, 2026582146
Mar 22, 2026637160
Mar 23, 2026637160
Mar 24, 2026637160
Mar 25, 2026637160
Mar 26, 2026637160
Mar 27, 2026637160
Mar 28, 2026637160
Mar 29, 2026663167
Mar 30, 2026663167
Mar 31, 2026663167
Apr 1, 2026663167
Apr 2, 2026663167
Apr 3, 2026663167
Apr 4, 2026663167
Apr 5, 2026685170
Apr 6, 2026685170
Apr 7, 2026685170
Apr 8, 2026685170
Apr 9, 2026685170
Apr 10, 2026685170
Apr 11, 2026685170
Apr 12, 2026716179
Apr 13, 2026716179
Apr 14, 2026716179
Apr 15, 2026716179
Apr 16, 2026716179
Apr 17, 2026716179
Apr 18, 2026716179
Apr 19, 2026745184
Apr 20, 2026745184
Apr 21, 2026745184
Apr 22, 2026745184
Apr 23, 2026745184
Apr 24, 2026745184
Apr 25, 2026745184
Apr 26, 2026754190
Apr 27, 2026754190
Apr 28, 2026754190
Apr 29, 2026754190
Apr 30, 2026754190
May 1, 2026754190
May 2, 2026754190
May 3, 2026776191
May 4, 2026776191
May 5, 2026776191
May 6, 2026776191
May 7, 2026776191
May 8, 2026776191
May 9, 2026776191
May 10, 2026793204
May 11, 2026793204
May 12, 2026793204
May 13, 2026793204
May 14, 2026793204
May 15, 2026793204
May 16, 2026793204
May 17, 2026817208
May 18, 2026817208
May 19, 2026817208
May 20, 2026817208
May 21, 2026817208
May 22, 2026817208
May 23, 2026817208
May 24, 2026829208
May 25, 2026829208
May 26, 2026829208
May 27, 2026829208
May 28, 2026829208
May 29, 2026829208
May 30, 2026829208
May 31, 2026842210
Jun 1, 2026842210
Jun 2, 2026842210
Jun 3, 2026842210
Jun 4, 2026842210
Jun 5, 2026842210
Jun 6, 2026842210
Jun 7, 2026855214
Jun 8, 2026855214
Jun 9, 2026855214
Jun 10, 2026855214
Jun 11, 2026855214
Jun 12, 2026855214
Jun 13, 2026855214
Jun 14, 2026868216
Jun 15, 2026868216
Jun 16, 2026868216
Jun 17, 2026868216
Jun 18, 2026868216
Jun 19, 2026868216
Jun 20, 2026868216
Jun 21, 2026891219
Jun 22, 2026891219
Jun 23, 2026891219
Jun 24, 2026891219
Jun 25, 2026891219
Jun 26, 2026891219
Jun 27, 2026891219
Jun 28, 2026922221
Jun 29, 2026922221
Jun 30, 2026922221
Jul 1, 2026922221
Jul 2, 2026922221
Jul 3, 2026922221
Jul 4, 2026922221
Jul 5, 2026936224
Jul 6, 2026936224
Jul 7, 2026936224
Jul 8, 2026936224
Jul 9, 2026936224
Jul 10, 2026936224
Jul 11, 2026936224
Jul 12, 2026963229
Jul 13, 2026963229
Jul 14, 2026963229
Jul 15, 2026963229
Jul 16, 2026963229
Jul 17, 2026963229
Jul 18, 2026963229
Jul 19, 2026983231
Jul 20, 2026983231
Jul 21, 2026983231
Jul 22, 2026983231
Jul 23, 2026983231
Jul 24, 2026983231
Jul 25, 2026983231
Jul 26, 20261,000237
Jul 27, 20261,000237
Jul 28, 20261,000237
Jul 29, 20261,000237
Jul 30, 20261,000237
Jul 31, 20261,000237
Aug 1, 20261,000237
Aug 2, 20261,017239
Aug 3, 20261,017239
Aug 4, 20261,017239
Aug 5, 20261,017239
Aug 6, 20261,017239
Aug 7, 20261,017239
Aug 8, 20261,017239
Aug 9, 20261,021240
Aug 10, 20261,021240
Aug 11, 20261,021240
Aug 12, 20261,021240
Aug 13, 20261,021240
Aug 14, 20261,021240
Aug 15, 20261,021240
Aug 16, 20261,035252
Aug 17, 20261,035252
Aug 18, 20261,035252
Aug 19, 20261,035252
Aug 20, 20261,035252
Aug 21, 20261,035252
Aug 22, 20261,035252
Aug 23, 20261,056253
Aug 24, 20261,056253
Aug 25, 20261,056253
Aug 26, 20261,056253
Aug 27, 20261,056253
Aug 28, 20261,056253
Aug 29, 20261,056253
Aug 30, 20261,074258
Aug 31, 20261,074258
Sep 1, 20261,074258
Sep 2, 20261,074258
Sep 3, 20261,074258
Sep 4, 20261,074258
Sep 5, 20261,074258
Sep 6, 20261,086259
Sep 7, 20261,086259
Sep 8, 20261,086259
Sep 9, 20261,086259
Sep 10, 20261,086259
Sep 11, 20261,086259
Sep 12, 20261,086259
Sep 13, 20261,104259
Sep 14, 20261,104259
Sep 15, 20261,104259
Sep 16, 20261,104259
Sep 17, 20261,104259
Sep 18, 20261,104259
Sep 19, 20261,104259
Sep 20, 20261,115263
Sep 21, 20261,115263
Sep 22, 20261,115263
Sep 23, 20261,115263
Sep 24, 20261,115263
Sep 25, 20261,115263
Sep 26, 20261,115263
Sep 27, 20261,134267
Sep 28, 20261,134267
Sep 29, 20261,134267
Sep 30, 20261,134267
Oct 1, 20261,134267
Oct 2, 20261,134267
Oct 3, 20261,134267
Oct 4, 20261,138268

Daily new cases

  • Daily
  • 7-day average
100500
Jan 4May 20Oct 4
Daily new cases
DateDaily7-day average
Jan 4, 20262121
Jan 5, 2026010.5
Jan 6, 202607
Jan 7, 202605.3
Jan 8, 202604.2
Jan 9, 202603.5
Jan 10, 202603
Jan 11, 2026334.7
Jan 12, 202604.7
Jan 13, 202604.7
Jan 14, 202604.7
Jan 15, 202604.7
Jan 16, 202604.7
Jan 17, 202604.7
Jan 18, 2026395.6
Jan 19, 202605.6
Jan 20, 202605.6
Jan 21, 202605.6
Jan 22, 202605.6
Jan 23, 202605.6
Jan 24, 202605.6
Jan 25, 2026284
Jan 26, 202604
Jan 27, 202604
Jan 28, 202604
Jan 29, 202604
Jan 30, 202604
Jan 31, 202604
Feb 1, 2026446.3
Feb 2, 202606.3
Feb 3, 202606.3
Feb 4, 202606.3
Feb 5, 202606.3
Feb 6, 202606.3
Feb 7, 202606.3
Feb 8, 20267510.7
Feb 9, 2026010.7
Feb 10, 2026010.7
Feb 11, 2026010.7
Feb 12, 2026010.7
Feb 13, 2026010.7
Feb 14, 2026010.7
Feb 15, 20268712.4
Feb 16, 2026012.4
Feb 17, 2026012.4
Feb 18, 2026012.4
Feb 19, 2026012.4
Feb 20, 2026012.4
Feb 21, 2026012.4
Feb 22, 20267711
Feb 23, 2026011
Feb 24, 2026011
Feb 25, 2026011
Feb 26, 2026011
Feb 27, 2026011
Feb 28, 2026011
Mar 1, 2026659.3
Mar 2, 202609.3
Mar 3, 202609.3
Mar 4, 202609.3
Mar 5, 202609.3
Mar 6, 202609.3
Mar 7, 202609.3
Mar 8, 2026476.7
Mar 9, 202606.7
Mar 10, 202606.7
Mar 11, 202606.7
Mar 12, 202606.7
Mar 13, 202606.7
Mar 14, 202606.7
Mar 15, 2026669.4
Mar 16, 202609.4
Mar 17, 202609.4
Mar 18, 202609.4
Mar 19, 202609.4
Mar 20, 202609.4
Mar 21, 202609.4
Mar 22, 2026557.9
Mar 23, 202607.9
Mar 24, 202607.9
Mar 25, 202607.9
Mar 26, 202607.9
Mar 27, 202607.9
Mar 28, 202607.9
Mar 29, 2026263.7
Mar 30, 202603.7
Mar 31, 202603.7
Apr 1, 202603.7
Apr 2, 202603.7
Apr 3, 202603.7
Apr 4, 202603.7
Apr 5, 2026223.1
Apr 6, 202603.1
Apr 7, 202603.1
Apr 8, 202603.1
Apr 9, 202603.1
Apr 10, 202603.1
Apr 11, 202603.1
Apr 12, 2026314.4
Apr 13, 202604.4
Apr 14, 202604.4
Apr 15, 202604.4
Apr 16, 202604.4
Apr 17, 202604.4
Apr 18, 202604.4
Apr 19, 2026294.1
Apr 20, 202604.1
Apr 21, 202604.1
Apr 22, 202604.1
Apr 23, 202604.1
Apr 24, 202604.1
Apr 25, 202604.1
Apr 26, 202691.3
Apr 27, 202601.3
Apr 28, 202601.3
Apr 29, 202601.3
Apr 30, 202601.3
May 1, 202601.3
May 2, 202601.3
May 3, 2026223.1
May 4, 202603.1
May 5, 202603.1
May 6, 202603.1
May 7, 202603.1
May 8, 202603.1
May 9, 202603.1
May 10, 2026172.4
May 11, 202602.4
May 12, 202602.4
May 13, 202602.4
May 14, 202602.4
May 15, 202602.4
May 16, 202602.4
May 17, 2026243.4
May 18, 202603.4
May 19, 202603.4
May 20, 202603.4
May 21, 202603.4
May 22, 202603.4
May 23, 202603.4
May 24, 2026121.7
May 25, 202601.7
May 26, 202601.7
May 27, 202601.7
May 28, 202601.7
May 29, 202601.7
May 30, 202601.7
May 31, 2026131.9
Jun 1, 202601.9
Jun 2, 202601.9
Jun 3, 202601.9
Jun 4, 202601.9
Jun 5, 202601.9
Jun 6, 202601.9
Jun 7, 2026131.9
Jun 8, 202601.9
Jun 9, 202601.9
Jun 10, 202601.9
Jun 11, 202601.9
Jun 12, 202601.9
Jun 13, 202601.9
Jun 14, 2026131.9
Jun 15, 202601.9
Jun 16, 202601.9
Jun 17, 202601.9
Jun 18, 202601.9
Jun 19, 202601.9
Jun 20, 202601.9
Jun 21, 2026233.3
Jun 22, 202603.3
Jun 23, 202603.3
Jun 24, 202603.3
Jun 25, 202603.3
Jun 26, 202603.3
Jun 27, 202603.3
Jun 28, 2026314.4
Jun 29, 202604.4
Jun 30, 202604.4
Jul 1, 202604.4
Jul 2, 202604.4
Jul 3, 202604.4
Jul 4, 202604.4
Jul 5, 2026142
Jul 6, 202602
Jul 7, 202602
Jul 8, 202602
Jul 9, 202602
Jul 10, 202602
Jul 11, 202602
Jul 12, 2026273.9
Jul 13, 202603.9
Jul 14, 202603.9
Jul 15, 202603.9
Jul 16, 202603.9
Jul 17, 202603.9
Jul 18, 202603.9
Jul 19, 2026202.9
Jul 20, 202602.9
Jul 21, 202602.9
Jul 22, 202602.9
Jul 23, 202602.9
Jul 24, 202602.9
Jul 25, 202602.9
Jul 26, 2026172.4
Jul 27, 202602.4
Jul 28, 202602.4
Jul 29, 202602.4
Jul 30, 202602.4
Jul 31, 202602.4
Aug 1, 202602.4
Aug 2, 2026172.4
Aug 3, 202602.4
Aug 4, 202602.4
Aug 5, 202602.4
Aug 6, 202602.4
Aug 7, 202602.4
Aug 8, 202602.4
Aug 9, 202640.6
Aug 10, 202600.6
Aug 11, 202600.6
Aug 12, 202600.6
Aug 13, 202600.6
Aug 14, 202600.6
Aug 15, 202600.6
Aug 16, 2026142
Aug 17, 202602
Aug 18, 202602
Aug 19, 202602
Aug 20, 202602
Aug 21, 202602
Aug 22, 202602
Aug 23, 2026213
Aug 24, 202603
Aug 25, 202603
Aug 26, 202603
Aug 27, 202603
Aug 28, 202603
Aug 29, 202603
Aug 30, 2026182.6
Aug 31, 202602.6
Sep 1, 202602.6
Sep 2, 202602.6
Sep 3, 202602.6
Sep 4, 202602.6
Sep 5, 202602.6
Sep 6, 2026121.7
Sep 7, 202601.7
Sep 8, 202601.7
Sep 9, 202601.7
Sep 10, 202601.7
Sep 11, 202601.7
Sep 12, 202601.7
Sep 13, 2026182.6
Sep 14, 202602.6
Sep 15, 202602.6
Sep 16, 202602.6
Sep 17, 202602.6
Sep 18, 202602.6
Sep 19, 202602.6
Sep 20, 2026111.6
Sep 21, 202601.6
Sep 22, 202601.6
Sep 23, 202601.6
Sep 24, 202601.6
Sep 25, 202601.6
Sep 26, 202601.6
Sep 27, 2026192.7
Sep 28, 202602.7
Sep 29, 202602.7
Sep 30, 202602.7
Oct 1, 202602.7
Oct 2, 202602.7
Oct 3, 202602.7
Oct 4, 202640.6

Daily new deaths

  • Daily
  • 7-day average
50250
Jan 4May 20Oct 4
Daily new deaths
DateDaily7-day average
Jan 4, 202699
Jan 5, 202604.5
Jan 6, 202603
Jan 7, 202602.3
Jan 8, 202601.8
Jan 9, 202601.5
Jan 10, 202601.3
Jan 11, 202620.3
Jan 12, 202600.3
Jan 13, 202600.3
Jan 14, 202600.3
Jan 15, 202600.3
Jan 16, 202600.3
Jan 17, 202600.3
Jan 18, 202660.9
Jan 19, 202600.9
Jan 20, 202600.9
Jan 21, 202600.9
Jan 22, 202600.9
Jan 23, 202600.9
Jan 24, 202600.9
Jan 25, 202681.1
Jan 26, 202601.1
Jan 27, 202601.1
Jan 28, 202601.1
Jan 29, 202601.1
Jan 30, 202601.1
Jan 31, 202601.1
Feb 1, 202660.9
Feb 2, 202600.9
Feb 3, 202600.9
Feb 4, 202600.9
Feb 5, 202600.9
Feb 6, 202600.9
Feb 7, 202600.9
Feb 8, 2026202.9
Feb 9, 202602.9
Feb 10, 202602.9
Feb 11, 202602.9
Feb 12, 202602.9
Feb 13, 202602.9
Feb 14, 202602.9
Feb 15, 2026294.1
Feb 16, 202604.1
Feb 17, 202604.1
Feb 18, 202604.1
Feb 19, 202604.1
Feb 20, 202604.1
Feb 21, 202604.1
Feb 22, 2026192.7
Feb 23, 202602.7
Feb 24, 202602.7
Feb 25, 202602.7
Feb 26, 202602.7
Feb 27, 202602.7
Feb 28, 202602.7
Mar 1, 2026101.4
Mar 2, 202601.4
Mar 3, 202601.4
Mar 4, 202601.4
Mar 5, 202601.4
Mar 6, 202601.4
Mar 7, 202601.4
Mar 8, 2026263.7
Mar 9, 202603.7
Mar 10, 202603.7
Mar 11, 202603.7
Mar 12, 202603.7
Mar 13, 202603.7
Mar 14, 202603.7
Mar 15, 2026111.6
Mar 16, 202601.6
Mar 17, 202601.6
Mar 18, 202601.6
Mar 19, 202601.6
Mar 20, 202601.6
Mar 21, 202601.6
Mar 22, 2026142
Mar 23, 202602
Mar 24, 202602
Mar 25, 202602
Mar 26, 202602
Mar 27, 202602
Mar 28, 202602
Mar 29, 202671
Mar 30, 202601
Mar 31, 202601
Apr 1, 202601
Apr 2, 202601
Apr 3, 202601
Apr 4, 202601
Apr 5, 202630.4
Apr 6, 202600.4
Apr 7, 202600.4
Apr 8, 202600.4
Apr 9, 202600.4
Apr 10, 202600.4
Apr 11, 202600.4
Apr 12, 202691.3
Apr 13, 202601.3
Apr 14, 202601.3
Apr 15, 202601.3
Apr 16, 202601.3
Apr 17, 202601.3
Apr 18, 202601.3
Apr 19, 202650.7
Apr 20, 202600.7
Apr 21, 202600.7
Apr 22, 202600.7
Apr 23, 202600.7
Apr 24, 202600.7
Apr 25, 202600.7
Apr 26, 202660.9
Apr 27, 202600.9
Apr 28, 202600.9
Apr 29, 202600.9
Apr 30, 202600.9
May 1, 202600.9
May 2, 202600.9
May 3, 202610.1
May 4, 202600.1
May 5, 202600.1
May 6, 202600.1
May 7, 202600.1
May 8, 202600.1
May 9, 202600.1
May 10, 2026131.9
May 11, 202601.9
May 12, 202601.9
May 13, 202601.9
May 14, 202601.9
May 15, 202601.9
May 16, 202601.9
May 17, 202640.6
May 18, 202600.6
May 19, 202600.6
May 20, 202600.6
May 21, 202600.6
May 22, 202600.6
May 23, 202600.6
May 24, 202600
May 25, 202600
May 26, 202600
May 27, 202600
May 28, 202600
May 29, 202600
May 30, 202600
May 31, 202620.3
Jun 1, 202600.3
Jun 2, 202600.3
Jun 3, 202600.3
Jun 4, 202600.3
Jun 5, 202600.3
Jun 6, 202600.3
Jun 7, 202640.6
Jun 8, 202600.6
Jun 9, 202600.6
Jun 10, 202600.6
Jun 11, 202600.6
Jun 12, 202600.6
Jun 13, 202600.6
Jun 14, 202620.3
Jun 15, 202600.3
Jun 16, 202600.3
Jun 17, 202600.3
Jun 18, 202600.3
Jun 19, 202600.3
Jun 20, 202600.3
Jun 21, 202630.4
Jun 22, 202600.4
Jun 23, 202600.4
Jun 24, 202600.4
Jun 25, 202600.4
Jun 26, 202600.4
Jun 27, 202600.4
Jun 28, 202620.3
Jun 29, 202600.3
Jun 30, 202600.3
Jul 1, 202600.3
Jul 2, 202600.3
Jul 3, 202600.3
Jul 4, 202600.3
Jul 5, 202630.4
Jul 6, 202600.4
Jul 7, 202600.4
Jul 8, 202600.4
Jul 9, 202600.4
Jul 10, 202600.4
Jul 11, 202600.4
Jul 12, 202650.7
Jul 13, 202600.7
Jul 14, 202600.7
Jul 15, 202600.7
Jul 16, 202600.7
Jul 17, 202600.7
Jul 18, 202600.7
Jul 19, 202620.3
Jul 20, 202600.3
Jul 21, 202600.3
Jul 22, 202600.3
Jul 23, 202600.3
Jul 24, 202600.3
Jul 25, 202600.3
Jul 26, 202660.9
Jul 27, 202600.9
Jul 28, 202600.9
Jul 29, 202600.9
Jul 30, 202600.9
Jul 31, 202600.9
Aug 1, 202600.9
Aug 2, 202620.3
Aug 3, 202600.3
Aug 4, 202600.3
Aug 5, 202600.3
Aug 6, 202600.3
Aug 7, 202600.3
Aug 8, 202600.3
Aug 9, 202610.1
Aug 10, 202600.1
Aug 11, 202600.1
Aug 12, 202600.1
Aug 13, 202600.1
Aug 14, 202600.1
Aug 15, 202600.1
Aug 16, 2026121.7
Aug 17, 202601.7
Aug 18, 202601.7
Aug 19, 202601.7
Aug 20, 202601.7
Aug 21, 202601.7
Aug 22, 202601.7
Aug 23, 202610.1
Aug 24, 202600.1
Aug 25, 202600.1
Aug 26, 202600.1
Aug 27, 202600.1
Aug 28, 202600.1
Aug 29, 202600.1
Aug 30, 202650.7
Aug 31, 202600.7
Sep 1, 202600.7
Sep 2, 202600.7
Sep 3, 202600.7
Sep 4, 202600.7
Sep 5, 202600.7
Sep 6, 202610.1
Sep 7, 202600.1
Sep 8, 202600.1
Sep 9, 202600.1
Sep 10, 202600.1
Sep 11, 202600.1
Sep 12, 202600.1
Sep 13, 202600
Sep 14, 202600
Sep 15, 202600
Sep 16, 202600
Sep 17, 202600
Sep 18, 202600
Sep 19, 202600
Sep 20, 202640.6
Sep 21, 202600.6
Sep 22, 202600.6
Sep 23, 202600.6
Sep 24, 202600.6
Sep 25, 202600.6
Sep 26, 202600.6
Sep 27, 202640.6
Sep 28, 202600.6
Sep 29, 202600.6
Sep 30, 202600.6
Oct 1, 202600.6
Oct 2, 202600.6
Oct 3, 202600.6
Oct 4, 202610.1

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