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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
Outbreaks by disease

A bar chart of the number of matching outbreaks by disease.

Outbreaks by disease
DiseaseOutbreaks
Botulism1
Salmonellosis1
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No location breakdown is available for these filters.

Outbreaks by disease
DiseaseOutbreaks
Botulism1
Salmonellosis1

Outbreak notices

Showing 21–33 of 33 notices

Global Notice Global Historical notice

Yellow fever – French Guiana, France

Start date
March 1, 2021
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Yellow fever – France – French Guiana

Start date
August 30, 2017
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Chikungunya – France

Start date
August 25, 2017
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Microcephaly – France - Martinique

Start date
April 9, 2016
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Microcephaly – France - Martinique

Start date
April 1, 2016
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Zika virus disease – Argentina and France

Start date
March 7, 2016
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Guillain-Barré syndrome – France - French Polynesia

Start date
March 7, 2016
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Guillain-Barré syndrome – France - Martinique

Start date
February 8, 2016
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Zika virus disease – France

Start date
January 21, 2016
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Zika virus disease – France

Start date
January 8, 2016
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Chikungunya – France

Start date
October 23, 2014
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Chikungunya in La Réunion Island (France)

Start date
February 17, 2006
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Rabies in France

Start date
September 1, 2004
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.