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Data Explorer

Research historical outbreak investigations and the full recall archive, with charts, trends, and advanced filters. Looking for what's happening right now instead? See current Health Alerts.

Outbreak notice totals

All-time counts across every WHO Disease Outbreak News bulletin in Public Health Trace.

3,201
Total noticesEvery WHO Disease Outbreak News bulletin
Case total not available
Confirmed casesSum of reported illnesses
131
Countries affected
October 23, 2026
Most recent notice

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Outbreaks reported by month (Year to date)

A chart of outbreaks grouped by month.

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Source: WHO public dataLast updated

Summary (Year to date)

  • 27 outbreaks have been reported year to date.
  • Sep 2026 was 33% lower than the previous complete period (Aug 2026: 3).
  • The highest complete period was May 2026 (7).
  • Oct 2026 is incomplete and not included in the figures above.
  • Complete data
  • Incomplete

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Outbreak notices

Showing 1–20 of 21 notices

Global Notice Global 2026 noticeProvisional

Marburg virus disease- Ethiopia

Start date
January 26, 2026
Last updated

Source: WHO

View Notice

Global Notice Global Historical noticeProvisional

Marburg virus disease- Ethiopia

Start date
November 21, 2025
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Malaria - Ethiopia

Start date
October 31, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Meningococcal meningitis - Ethiopia

Start date
March 14, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Meningococcal meningitis - Ethiopia

Start date
March 13, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Meningococcal meningitis - Ethiopia

Start date
March 13, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Meningococcal meningitis - Ethiopia

Start date
March 13, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Poliomyelitis - Ethiopia and Somalia

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Yellow fever - Ethiopia

Start date
March 5, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Measles - Ethiopia

Start date
May 4, 2023
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Meningococcal disease in Ethiopia - Update 2

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2001 - Meningococcal disease in Ethiopia - Update

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2000 - Meningococcal disease in Ethiopia

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1999- Meningococcal disease in Ethiopia

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2000 - Anthrax in Ethiopia

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2000 - Meningococcal disease in Ethiopia

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2000 - Meningococcal disease in Ethiopia - Update

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Dracunculiasis (Guinea worm disease) – Ethiopia

Start date
March 5, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Yellow fever – Ethiopia

Start date
March 4, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Acute watery diarrhoeal syndrome in Ethiopia

Start date
October 4, 2006
Last updated

Source: WHO

View Notice

Data last updated:

Outbreak investigations may be ongoing; case counts, hospitalizations, and deaths are updated by CDC as investigations continue. Read the full medical disclaimer.

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