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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

Cholera in Sudan - update 4

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

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 20

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

Global Notice Global Historical notice

Avian influenza – situation in China – update 12

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

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 19

Start date: June 15, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Plague in the Democratic Republic of the Congo

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

Global Notice Global Historical notice

Cholera in Angola - update 4

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

Global Notice Global Historical notice

Poliomyelitis in Namibia

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

Global Notice Global Historical notice

Cholera in Angola - update 3

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

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 18

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

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 16

Start date: May 31, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 15

Start date: May 29, 2006
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Cholera in Angola - update 2

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

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 14

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

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 13

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

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 12

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

Global Notice Global Historical notice

Cholera in southern Sudan - update 3

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

Global Notice Global Historical notice

Avian influenza – situation in Egypt - update 8

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

Global Notice Global Historical notice

Avian influenza – situation in Djibouti

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

Global Notice Global Historical notice

Cholera in Angola

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

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 11

Start date: May 8, 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.