Global Notice Global Historical notice
Geographical spread of H5N1 avian influenza in birds - update 28
- Start date
- August 18, 2005
- 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
Outbreak associated with Streptococcus suis in pigs in China: Update
- Start date
- August 17, 2005
- Last updated
Global Notice Global Historical notice
Avian influenza – situation in Viet Nam – update 27
- Start date
- August 5, 2005
- Last updated
Global Notice Global Historical notice
Outbreak associated with Streptococcus suis in pigs in China
- Start date
- August 3, 2005
- Last updated
Global Notice Global Historical notice
Avian influenza- situation in Indonesia – update 26
- Start date
- July 29, 2005
- Last updated
Global Notice Global Historical notice
Marburg haemorrhagic fever in Angola – update 24
- Start date
- July 29, 2005
- Last updated
Global Notice Global Historical notice
Cholera in Niger
- Start date
- July 29, 2005
- Last updated
Global Notice Global Historical notice
Avian influenza – situation in Indonesia – update 25
- Start date
- July 21, 2005
- Last updated
Global Notice Global Historical notice
Cholera in Senegal- update 7
- Start date
- July 15, 2005
- Last updated
Global Notice Global Historical notice
Marburg haemorrhagic fever in Angola – update 23
- Start date
- July 13, 2005
- Last updated
Global Notice Global Historical notice
Cholera in Senegal- update 6
- Start date
- July 8, 2005
- Last updated
Global Notice Global Historical notice
Poliomyelitis in Indonesia - update 9
- Start date
- July 5, 2005
- Last updated
Global Notice Global Historical notice
Poliomyelitis in Indonesia - update 8
- Start date
- July 4, 2005
- Last updated
Global Notice Global Historical notice
Avian influenza – situation in Viet Nam – update 24
- Start date
- June 30, 2005
- Last updated
Global Notice Global Historical notice
Avian influenza – situation in Viet Nam – update 23
- Start date
- June 28, 2005
- Last updated
Global Notice Global Historical notice
Poliomyelitis in Indonesia - update 6
- Start date
- June 27, 2005
- Last updated
Global Notice Global Historical notice
Cholera in Afghanistan
- Start date
- June 21, 2005
- Last updated
Global Notice Global Historical notice
Poliomyelitis in Indonesia - update 5
- Start date
- June 20, 2005
- Last updated
Global Notice Global Historical notice
Avian influenza – situation in Viet Nam – update 22
- Start date
- June 17, 2005
- Last updated
Global Notice Global Historical notice
Avian influenza – situation in Viet Nam – update 21
- Start date
- June 16, 2005
- 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.
