Global Notice Global Historical notice
Update 65 - Situation in Toronto
- 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
Update 67 - SARS resolution approved, situation in Taiwan
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Severe Acute Respiratory Syndrome (SARS)-multi-country outbreak - Update 53
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Meningococcal disease in Niger
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Severe Acute Respiratory Syndrome (SARS) - Multi-country outbreak - Update 42
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Severe Acute Respiratory Syndrome (SARS)-multi-country outbreak - Update 56
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Update 78 – Situation in Toronto
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Update 93 – Toronto removed from list of areas with recent local transmission
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Suspected acute haemorrhagic fever syndrome in the Republic of the Congo
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
2002 - West Nile virus in Canada - Update 9
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Severe Acute Respiratory Syndrome (SARS) - multi-country outbreak - Update 25
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Suspected Severe Acute Respiratory Syndrome (SARS) case in southern China
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Update 79 – Situation in China
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Influenza in Hong Kong, Special Administrative Region of China
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Update 73 - No new deaths, but vigilance needed for imported cases
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Cholera in Liberia - Update 3
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Severe Acute Respiratory Syndrome (SARS) - multi-country outbreak - Update 22
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Update 76 - Situation in China, Taiwan and Hong Kong
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
2002 - West Nile virus in Canada - Update 7
- Start date
- June 7, 2021
- Last updated
Global Notice Global Historical notice
Imported case of Lassa fever in United Kingdom
- 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.
