Global Notice Global Historical notice
China confirms SARS infection in two previously reported cases – update 4
- Start date
- April 29, 2004
- 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.
3,201
Total noticesEvery WHO Disease Outbreak News bulletinCase total not available
Confirmed casesSum of reported illnesses131
Countries affectedOctober 23, 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 | 7 |
| United States | 2 |
| Saudi Arabia | 1 |
| Russia | 1 |
Outbreak notices
Global Notice Global Historical notice
China reports additional SARS case - update 3
- Start date
- April 28, 2004
- Last updated
Global Notice Global Historical notice
Additional patients in China under investigation for SARS; WHO team travels to Beijing - update 2
- Start date
- April 26, 2004
- Last updated
Global Notice Global Historical notice
China reports additional SARS cases - update
- Start date
- April 23, 2004
- Last updated
Global Notice Global Historical notice
SARS: one suspected case reported in China
- Start date
- April 22, 2004
- Last updated
Global Notice Global Historical notice
Lassa fever in Sierra Leone
- Start date
- April 20, 2004
- Last updated
Global Notice Global Historical notice
Meningococcal disease in Central African Republic
- Start date
- April 8, 2004
- Last updated
Global Notice Global Historical notice
Meningococcal disease in Chad
- Start date
- April 8, 2004
- Last updated
Global Notice Global Historical notice
Avian influenza A(H7) human infections in Canada
- Start date
- April 5, 2004
- Last updated
Global Notice Global Historical notice
Dengue fever in Indonesia - update 2
- Start date
- March 29, 2004
- Last updated
Global Notice Global Historical notice
Meningococcal disease in Nigeria
- Start date
- March 26, 2004
- Last updated
Global Notice Global Historical notice
Meningococcal disease in Burkina Faso
- Start date
- March 26, 2004
- Last updated
Global Notice Global Historical notice
Cholera in Mozambique
- Start date
- March 23, 2004
- Last updated
Global Notice Global Historical notice
Avian influenza A(H5N1)- update 34: Situation (human) in Viet Nam
- Start date
- March 22, 2004
- Last updated
Global Notice Global Historical notice
Avian influenza A(H5N1)- update 33: Situation (human) in Thailand
- Start date
- March 17, 2004
- Last updated
Global Notice Global Historical notice
Yellow fever in Liberia - update 2
- Start date
- March 11, 2004
- Last updated
Global Notice Global Historical notice
Avian influenza A(H5N1)- update 32: Situation (human) in Thailand
- Start date
- March 9, 2004
- Last updated
Global Notice Global Historical notice
Dengue fever in Indonesia - update
- Start date
- March 5, 2004
- Last updated
Global Notice Global Historical notice
Yellow fever in Liberia - update
- Start date
- March 4, 2004
- Last updated
Global Notice Global Historical notice
Avian influenza A(H5N1)- update 31: Situation (poultry) in Asia: need for a long-term response, comparison with previous outbreaks
- Start date
- March 2, 2004
- 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.
