Skip to main content

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.

Filters
Outbreak details
Date range
Sort results
Clear filters
Metric
View
Outbreaks reported by month (Year to date)

A chart of outbreaks grouped by month.

Download CSV

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
Download CSV

Outbreak notices

Showing 221–240 of 3,200 notices

Global Notice Global Historical notice

Influenza A (H3N2) virus - Madagascar

Start date
March 13, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Cholera - Iraq

Start date
March 13, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Cholera - Côte d'Ivoire

Start date
March 13, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Influenza A (H5N1) virus - Viet Nam

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Influenza A (H5N1) virus - Viet Nam

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Influenza A (H5N1) virus - Indonesia

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Meningococcal disease - India

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Influenza A (H5N1) virus - Indonesia

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Cholera - Angola

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Chikungunya - France

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Plague - Democratic Republic of the Congo

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Rift Valley fever - Kenya

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Suspected Acute Haemorrhagic Fever - Democratic Republic of the Congo

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Poliomyelitis - Ethiopia and Somalia

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Cholera - South Sudan

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Influenza A (H5N1) virus - Cambodia

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Influenza A (H5N1) virus - Nigeria

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Influenza A (H5N1) virus - Cambodia

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Ebola virus disease - Democratic Republic of the Congo

Start date
March 12, 2024
Last updated

Source: WHO

View Notice

Global Notice Global Historical notice

Influenza A (H5N1) virus - Indonesia

Start date
March 12, 2024
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.

Reconnecting to the server…

We lost the connection to the server.

Your session has expired.