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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 2,681–2,700 of 3,201 notices

Global Notice Global Historical notice

Ebola haemorrhagic fever in the Democratic Republic of the Congo

Start date
December 26, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Cholera in Zimbabwe - update

Start date
December 26, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza - situation in Egypt

Start date
December 16, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Cambodia

Start date
December 12, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 45

Start date
December 9, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Cholera in Zimbabwe

Start date
December 2, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Yellow fever in Burkina Faso

Start date
November 3, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Yellow fever in the Central African Republic

Start date
October 30, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

New virus from Arenaviridae family in South Africa and Zambia - Update

Start date
October 13, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Unknown disease in South Africa and Zambia

Start date
October 10, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Melamine-contaminated powdered infant formula in China - update 2

Start date
September 29, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Cholera in Iraq - update

Start date
September 29, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Cholera in Guinea Bissau

Start date
September 24, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Melamine-contaminated powdered infant formula in China - update

Start date
September 22, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Melamine-contaminated powdered infant formula in China

Start date
September 18, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Cholera in Iraq

Start date
September 10, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Yellow fever in Côte d'Ivoire

Start date
August 8, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Case of Marburg Haemorrhagic Fever imported into the Netherlands from Uganda

Start date
July 10, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Lead intoxication in Senegal

Start date
June 23, 2008
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Avian influenza – situation in Indonesia – update 43

Start date
June 19, 2008
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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