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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.

3,200
Total noticesEvery WHO Disease Outbreak News bulletin
Case total not available
Confirmed casesSum of reported illnesses
131
Countries affected
October 15, 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 Congo6
United States2
Saudi Arabia1
Russia1
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Outbreak notices

Showing 1,041–1,060 of 3,200 notices

Global Notice Global Historical notice

Cholera in Mali - update 2

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Plague in Algeria - Update 2

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Update 95 - SARS: Chronology of a serial killer

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Severe Acute Respiratory Syndrome (SARS) - multi-country outbreak - Update 32

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Meningococcal disease in the Great Lakes area (Burundi, United Republic of Tanzania) - Update 3

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Ebola haemorrhagic fever in the Republic of the Congo - Update 6

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Yellow fever in Brazil

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Update 84 – Can SARS be eradicated or eliminated?

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Marburg haemorrhagic fever in Angola – update 26 : MOH declares outbreak over

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Severe Acute Respiratory Syndrome (SARS) - multi-country outbreak - Update 34

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Human influenza epidemic spreads to more countries in northern hemisphere - update 3

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Severe Acute Respiratory Syndrome (SARS) - Multi-country outbreak Update 39

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Ebola haemorrhagic fever in the Republic of the Congo - Update 9

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - West Nile virus in Canada - Update 4

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Yellow fever in Senegal - Update 3

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Isolation of H5 viruses in poultry in Hong Kong Special Administrative

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Ebola haemorrhagic fever in Gabon - Update 23

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Tularemia in Kosovo - Update

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2001 - Anthrax in the United States - Update 8

Country
United States
Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2000 - Ebola haemorrhagic fever - Update 31

Start date
June 7, 2021
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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