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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 31 notices

Global Notice Global Historical notice

Anthrax – Thailand

Start date
May 29, 2025
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Influenza A (H5N1) virus - Thailand, Viet Nam and Asian regions

Start date
March 13, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Influenza A (H5N1) virus - Thailand

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1996 - Diphtheria in Laos and Thailand

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Novel Coronavirus – Thailand (ex-China)

Start date
March 4, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – Thailand

Start date
August 26, 2016
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – Thailand

Start date
January 29, 2016
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – Thailand

Start date
July 10, 2015
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – Thailand

Start date
June 20, 2015
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Thailand – update

Start date
August 7, 2006
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Thailand

Start date
July 26, 2006
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Botulism in Thailand

Start date
March 22, 2006
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in China, Thailand – update 47

Start date
December 9, 2005
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Thailand – update 40

Start date
November 14, 2005
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Thailand – update 37

Start date
November 1, 2005
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Thailand, Indonesia – update 36

Start date
October 24, 2005
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Thailand – update 35

Start date
October 20, 2005
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Thailand; additional fatal case confirmed

Start date
October 25, 2004
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Thailand; status of pandemic vaccine development

Start date
October 4, 2004
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Thailand

Start date
September 28, 2004
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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