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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

Meningococcal disease in Uganda - update

Start date: February 10, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in China – update 3

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

Global Notice Global Historical notice

Avian influenza - situation (birds) in Nigeria

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

Global Notice Global Historical notice

Avian influenza – situation in Iraq - Update 2

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

Global Notice Global Historical notice

Avian influenza – situation in Indonesia - update 2

Start date: February 6, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Meningococcal disease in Sudan

Start date: February 3, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Iraq - Update

Start date: February 2, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Turkey – update 7

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

Global Notice Global Historical notice

Avian influenza – situation in Iraq

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

Global Notice Global Historical notice

Avian influenza – situation in China – update 2

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

Global Notice Global Historical notice

Avian influenza – situation in Indonesia - update

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

Global Notice Global Historical notice

Avian influenza – situation in China - update

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

Global Notice Global Historical notice

Avian influenza – situation in Turkey – update 6

Start date: January 18, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Turkey - update 5

Start date: January 16, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Indonesia

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

Global Notice Global Historical notice

Avian influenza – situation in Turkey - update 4Sequencing of human virus

Start date: January 12, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Turkey - update 3

Start date: January 10, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Turkey - update 2

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

Global Notice Global Historical notice

Avian influenza – situation in Turkey - update

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

Global Notice Global Historical notice

Avian influenza – situation in Turkey

Start date: January 5, 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.