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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)

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Source: WHO public dataLast updated October 24, 2026 ET

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.

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No disease breakdown is available for these filters.

Notices by country

Notices by country
Country	Notices
Democratic Republic of the Congo	7
United States	2
Saudi Arabia	1
Russia	1

Outbreak notices

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 32

Start date: September 25, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Iraq - update 5

Start date: September 19, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 31

Start date: September 14, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 30

Start date: September 8, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 29

Start date: August 23, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 28

Start date: August 21, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 27

Start date: August 17, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 26

Start date: August 14, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in China – update 14

Start date: August 14, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 25

Start date: August 9, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Crimean-Congo haemorrhagic fever in Turkey

Start date: August 8, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in China – update 13

Start date: August 8, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 24

Start date: August 8, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Thailand – update

Start date: August 7, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Thailand

Start date: July 26, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Imported case of Lassa fever in Germany

Start date: July 25, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 23

Start date: July 20, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 22

Start date: July 14, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 21

Start date: July 4, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – epidemiology of human H5N1 cases reported to WHO

Start date: June 30, 2006
Last updated: July 21, 2026 ET

Data last updated: October 24, 2026 ET

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