Global Notice Global Historical notice
Influenza A(H1N1) - update 6
- Start date
- April 30, 2009
- Last updated
Data Explorer
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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
Influenza A(H1N1) - update 5
- Start date
- April 29, 2009
- Last updated
Global Notice Global Historical notice
Swine influenza - update 4
- Start date
- April 28, 2009
- Last updated
Global Notice Global Historical notice
Swine influenza - update 3
- Start date
- April 27, 2009
- Last updated
Global Notice Global Historical notice
Swine flu illness in the United States and Mexico - update 2
- Start date
- April 26, 2009
- Last updated
Global Notice Global Historical notice
Swine influenza - Statement by WHO Director-General, Dr Margaret Chan
- Start date
- April 25, 2009
- Last updated
Global Notice Global Historical notice
Influenza-like illness in the United States and Mexico
- Country
- United States
- Start date
- April 24, 2009
- Last updated
Global Notice Global Historical notice
Avian influenza - situation in Egypt - update 12
- Start date
- April 21, 2009
- Last updated
Global Notice Global Historical notice
Avian influenza - situation in Egypt - update 11
- Start date
- April 17, 2009
- Last updated
Global Notice Global Historical notice
Avian influenza - situation in Egypt - update 10
- Start date
- April 8, 2009
- Last updated
Global Notice Global Historical notice
Ebola Reston in pigs and humans in the Philippines - update
- Start date
- March 31, 2009
- Last updated
Global Notice Global Historical notice
Avian influenza - situation in Egypt - update 9
- Start date
- March 30, 2009
- Last updated
Global Notice Global Historical notice
Meningococcal Disease: situation in the African Meningitis Belt
- Start date
- March 25, 2009
- Last updated
Global Notice Global Historical notice
Avian influenza - situation in Egypt - update 8
- Start date
- March 23, 2009
- Last updated
Global Notice Global Historical notice
Avian influenza - situation in Egypt - update 7
- Start date
- March 11, 2009
- Last updated
Global Notice Global Historical notice
Avian influenza - situation in Egypt - update 6
- Start date
- March 10, 2009
- Last updated
Global Notice Global Historical notice
Meningococcal disease in Nigeria - update
- Start date
- March 4, 2009
- Last updated
Global Notice Global Historical notice
Polio in Sudan – high risk of international spread
- Start date
- March 2, 2009
- Last updated
Global Notice Global Historical notice
Avian influenza - situation in Egypt - update 5
- Start date
- March 2, 2009
- Last updated
Global Notice Global Historical notice
Avian influenza – situation in Viet Nam - update 4
- Start date
- February 27, 2009
- 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.
