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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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CSV exports include up to 5,000 matching rows (applying your current filters), not the full dataset if it's larger.

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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 2,781–2,800 of 3,201 notices

Global Notice Global Historical notice

Cholera in Iraq

Start date
September 10, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Unknown illness in the Democratic Republic of the Congo

Start date
August 31, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 15

Start date
August 23, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Poliomyelitis in the Democratic Republic of the Congo - update

Start date
August 21, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 14

Start date
August 16, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 13

Start date
August 14, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Poliomyelitis in Angola - update

Start date
August 9, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Marburg haemorrhagic fever in Uganda

Start date
August 3, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Poliomyelitis in Angola and the Democratic Republic of the Congo

Start date
July 30, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza - situation in Egypt - update 19

Start date
July 25, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 12 *

Start date
July 11, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Viet Nam

Start date
June 29, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 11

Start date
June 25, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 10

Start date
June 15, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza - situation in Egypt - update 17

Start date
June 12, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza - situation in Egypt - update 16

Start date
June 11, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 9

Start date
June 6, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in China - update 3

Start date
June 4, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 8

Start date
May 31, 2007
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Extensively Drug-Resistant Tuberculosis (XDR-TB) in United States of America air passenger

Country
United States
Start date
May 30, 2007
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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