Global Notice Global Historical notice
2000 - Leptospirosis in Canada
- Start date
- June 7, 2021
- Last updated
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 bulletinCase total not available
Confirmed casesSum of reported illnesses131
Countries affectedOctober 15, 2026
Most recent noticeDownload 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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A chart of outbreaks grouped by month.
Download CSVSummary (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.
A bar chart of the number of matching notices by country.
| Country | Notices |
|---|---|
| Democratic Republic of the Congo | 6 |
| United States | 2 |
| Saudi Arabia | 1 |
| Russia | 1 |
Outbreak notices
Global Notice Global Historical notice
2000 - Acute febrile illness in the United States of America
- Country
- United States
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
1999- Meningococcal disease in Sudan - Update 3
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
1999 - Relapsing fever (previously reported as acute haemorrhagic fever syndrome) in southern Sudan - Update
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
2000 - Dysentery in Lesotho
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
2000 - Listeria in France
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
2000 - Acute haemorrhagic fever syndrome - Update 2
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
1999 - St. Louis encephalitis in the United States of America . Update
- Country
- United States
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
1999 - Marburg disease in Democratic Republic of Congo - Update 2
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
1999 - Legionnaires' disease, Belgium
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
2000 - Hantavirus Pulmonary Syndrome in Panama
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
2000 - Imported case of Lassa fever in The Netherlands - Update
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
2000 - Meningococcal disease in Ethiopia
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
1999 - Rift Valley Fever in South Africa
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
1999 -Single isolation of H5N1 influenza virus in a goose, Hong Kong Special Administrative Region of China - Update
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
1999 - Yellow fever, United States of America
- Country
- United States
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
2000 - Meningococcal disease in Francen(Update), United Kingdom (Update), Oman, Saudi ARabia, Netherlands
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
1999 - Meningococcal meningitis in Sudan - Update 1
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
1999 - Suspected viral haemorrhagic fever in Democratic Republic of Congo - Update 4
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
1999 - Influenza A(H9N2) in Hong Kong Special Administrative Region (SAR) and China - Update
- Start date
- June 7, 2021
- Last updated
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.
