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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.

3,195
Total noticesEvery WHO Disease Outbreak News bulletin
Case total not available
Confirmed casesSum of reported illnesses
131
Countries affected
August 28, 2026
Most recent notice

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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)

  • 25 outbreaks have been reported year to date.
  • Aug 2026 was 0% higher than the previous complete period (Jul 2026: 3).
  • The highest complete period was May 2026 (7).
  • Sep 2026 is incomplete and not included in the figures above.
  • Complete data
  • Incomplete

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Outbreak notices

Showing 1–17 of 17 notices

Global Notice Global Historical notice

Suspected acute haemorrhagic fever syndrome in the Republic of the Congo

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Suspected acute haemorrhagic fever syndrome in the Republic of the Congo

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Ebola haemorrhagic fever in Gabon/The Republic of the Congo - Update 20

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Ebola haemorrhagic fever in Gabon/The Republic of the Congo Update 13

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Suspected acute haemorrhagic fever syndrome in The Republic of the Congo - Update 2

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Ebola haemorrhagic fever in Gabon/The Republic of the Congo - Update 16

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Suspected acute haemorrhagic fever syndrome in The Republic of the Congo - Update

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Ebola haemorrhagic fever in Gabon/The Republic of the Congo - Update 14

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Ebola haemorrhagic fever in Gabon/The Republic of the Congo - Update 21

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Suspected acute haemorrhagic fever syndrome- The Republic of the Congo

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Ebola haemorrhagic fever in Gabon/The Republic of the Congo - Update 15

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 - Ebola haemorrhagic fever in Gabon/ The Republic of the Congo - Update 17

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2002 -Ebola haemorrhagic fever in Gabon/ The Republic of the Congo - Update 12

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

2001 - Ebola haemorrhagic fever in Gabon/The Republic of the Congo - Update 10

Start date
June 7, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Yellow fever – Republic of the Congo

Start date
June 3, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Suspected Acute Haemorrhagic Fever in the Republic of the Congo update

Start date
July 2, 2010
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Suspected Acute Haemorrhagic Fever in the Republic of the Congo

Start date
June 29, 2010
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.