Global Notice Global Historical notice
Influenza A (H1N1) virus - Global
- Start date
- March 5, 2024
- 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.
3,200
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
Ebola - Uganda
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Influenza A (H5N1) virus - Egypt
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Influenza A (H1N1) virus - Global
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Novel coronavirus infection - Saudi Arabia and Jordan
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Influenza A (H1N1) virus - Multiple Regions
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Influenza A (H5N1) virus - Egypt
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Influenza A (H1N1) virus - Region of Europe and Region of the Americas
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Plague - China
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Influenza A (H5N1) virus - Cambodia
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Influenza A(H5N1) virus - Viet Nam
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Measles - Region of Europe
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Influenza A (H1N1) virus - European Region and Region of the Americas
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Yellow fever - Guinea
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Influenza A (H1N1) virus - Global
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Cholera - Sierra Leone
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Influenza A (H1N1) virus - Multiple regions
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Influenza A (H5N1) virus - Cambodia
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Psittacosis – European region
- Start date
- March 5, 2024
- Last updated
Global Notice Global Historical notice
Wild poliovirus type 1 - Angola
- Start date
- March 5, 2024
- 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.
