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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

Download matching outbreaks as CSV

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 821–840 of 3,200 notices

Global Notice Global Historical notice

1997 - Cholera in Djibouti - Update

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1996 - Cholera in the Philippines

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1997 - Cholera in Mozambique - Update 2

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1996 - Viral meningitis in Cyprus - Update

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1997 - Influenza vaccine for 1997-1998 season

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1997 - Meningitis in Ghana

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Influenza A(H5N1) in Hong Kong - Update 6

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1997 - Monkeypox in the Democratic Republic of the Congo (former Zaire)

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1997 - Fatal myocarditis in Malaysia - Update 3

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1996 - Yellow fever in travellers

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1996 - Cerebrospinal meningitis in Africa (summary) - Update

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1996 - Cholera in Liberia

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Influenza A(H5N1) in Hong Kong - Update

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1997 - Ebola haemorrhagic fever in Gabon (new outbreak) - Update 15

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1996 - Ebola haemorrhagic fever in Gabon (new outbreak) - Update 7

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Influenza

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1997 - Ebola haemorrhagic fever in Gabon (new outbreak) - Update 16

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1998 - Influenza A(H5N1) in Hong Kong - Update 9

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1997 - Plague in Malawi

Start date
June 8, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

1996 - Cholera in Zaire (new outbreak)

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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