Global Notice Global Historical notice
Myocarditis (acute infective) - United Kingdom
- Start date
- May 17, 2023
- 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
Marburg virus disease - Equatorial Guinea and the United Republic of Tanzania
- Start date
- May 8, 2023
- Last updated
Global Notice Global Historical notice
Acute hepatitis E – South Sudan
- Start date
- May 5, 2023
- Last updated
Global Notice Global Historical notice
Measles - Ethiopia
- Start date
- May 4, 2023
- Last updated
Global Notice Global Historical notice
Lassa fever - Nigeria
- Start date
- May 1, 2023
- Last updated
Global Notice Global Historical notice
Measles-Indonesia
- Start date
- April 28, 2023
- Last updated
Global Notice Global Historical notice
Meningitis - Nigeria
- Start date
- April 27, 2023
- Last updated
Global Notice Global Historical notice
Diphtheria-Nigeria
- Start date
- April 27, 2023
- Last updated
Global Notice Global Historical notice
Human Infection caused by Avian Influenza A (H5N1) - Chile
- Start date
- April 21, 2023
- Last updated
Global Notice Global Historical notice
Circulating vaccine-derived poliovirus type 2 – Burundi
- Start date
- April 20, 2023
- Last updated
Global Notice Global Historical notice
Circulating vaccine-derived poliovirus type 2 - Indonesia
- Start date
- April 17, 2023
- Last updated
Global Notice Global Historical notice
Marburg virus disease - Equatorial Guinea
- Start date
- April 15, 2023
- Last updated
Global Notice Global Historical notice
Pneumococcal meningitis – Togo
- Start date
- April 11, 2023
- Last updated
Global Notice Global Historical notice
Avian Influenza A(H3N8)
- Start date
- April 11, 2023
- Last updated
Global Notice Global Historical notice
Human infection caused by Avian Influenza A (H5) - Chile
- Start date
- April 6, 2023
- Last updated
Global Notice Global Historical notice
Iatrogenic Botulism- European Region
- Start date
- March 24, 2023
- Last updated
Global Notice Global Historical notice
Marburg virus disease – United Republic of Tanzania
- Start date
- March 24, 2023
- Last updated
Global Notice Global Historical notice
Geographical expansion of cases of dengue and chikungunya beyond the historical areas of transmission in the Region of the Americas
- Start date
- March 23, 2023
- Last updated
Global Notice Global Historical notice
Marburg virus disease - Equatorial Guinea
- Start date
- March 22, 2023
- Last updated
Global Notice Global Historical notice
Measles - South Africa
- Start date
- March 21, 2023
- 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.
