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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 601–620 of 3,200 notices

Global Notice Global Historical notice

1998 - Hurricane Mitch, Update 5

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Suspected pneumonia in Sudan

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Cholera in Uganda - Update

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Hurricane Mitch, Update 3

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Influenza in China

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Yellow fever in Burkina Faso

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Yellow fever in Venezuela

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Cholera in Sierra Leone

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Enterovirus Outbreak in Taiwan, China - Update No.1

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Diarrhoeal diseases in Bangladesh

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Cholera in Bhutan

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Cholera in Afghanistan, Update 2

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Cholera, Comoros (update)

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Yellow fever in Brazil

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Plague in Uganda

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Anthrax, Russian Federation

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Cholera in Sulaimania governorate in northern Iraq

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Cholera in Uganda

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Cholera - Vibrio cholerae O139 strain

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Cholera in Mozambique, Update

Start date
June 8, 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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