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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

No disease breakdown is available for these filters.

Notices by country

A bar chart of the number of matching notices by country.

Notices by country
CountryNotices
Democratic Republic of the Congo7
United States2
Saudi Arabia1
Russia1
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Outbreak notices

Showing 2,721–2,740 of 3,201 notices

Global Notice Global Historical notice

Avian influenza - situation in Egypt - update 5

Start date
March 4, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Yellow fever in Paraguay - update

Start date
February 28, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza - situation in Egypt - update 4

Start date
February 28, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Viet Nam - update 4

Start date
February 26, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Meningococcal disease in the African Meningitis Belt

Start date
February 22, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 40

Start date
February 21, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

End of Ebola outbreak in Uganda

Start date
February 20, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in China

Start date
February 20, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Yellow fever in Paraguay

Start date
February 20, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Viet Nam - update 2

Start date
February 15, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 39

Start date
February 12, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Yellow fever in Brazil

Start date
February 7, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 38

Start date
February 5, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 37

Start date
February 1, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 36

Start date
January 30, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 35

Start date
January 29, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 34

Start date
January 24, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 33

Start date
January 23, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Rift Valley Fever in Sudan - update 5

Start date
January 22, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 32

Start date
January 21, 2008
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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