Global Notice Global Historical notice
Circulating vaccine-derived poliovirus type 3 – Israel
- Start date
- April 15, 2022
- 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.
Filters
Metric
View
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
Middle East respiratory syndrome coronavirus – Saudi Arabia
- Start date
- April 7, 2022
- Last updated
Global Notice Global Historical notice
Yellow Fever - Kenya
- Start date
- March 25, 2022
- Last updated
Global Notice Global Historical notice
Lassa Fever – Togo
- Start date
- March 24, 2022
- Last updated
Global Notice Global Historical notice
Extensively drug-resistant Shigella sonnei infections - Europe
- Start date
- March 24, 2022
- Last updated
Global Notice Global Historical notice
Wild poliovirus type 1 - Malawi
- Start date
- March 3, 2022
- Last updated
Global Notice Global Historical notice
Lassa Fever – United Kingdom of Great Britain and Northern Ireland
- Start date
- February 21, 2022
- Last updated
Global Notice Global Historical notice
Lassa Fever - Nigeria
- Start date
- February 14, 2022
- Last updated
Global Notice Global Historical notice
Measles – Afghanistan
- Start date
- February 10, 2022
- Last updated
Global Notice Global Historical notice
Dengue - Timor-Leste
- Start date
- February 4, 2022
- Last updated
Global Notice Global Historical notice
Cholera – Benin
- Start date
- January 25, 2022
- Last updated
Global Notice Global Historical notice
Influenza A(H5) - United Kingdom of Great Britain and Northern Ireland
- Start date
- January 14, 2022
- Last updated
Global Notice Global Historical notice
Novel Coronavirus
- Start date
- January 5, 2022
- Last updated
Global Notice Global Historical notice
Measles
- Start date
- January 5, 2022
- Last updated
Global Notice Global Historical notice
Human infection with avian influenza A (H5N8) - Russian Federation
- Start date
- January 5, 2022
- Last updated
Global Notice Global Historical notice
SARS-CoV-2 mink-associated variant strain
- Start date
- January 5, 2022
- Last updated
Global Notice Global Historical notice
Ebola virus disease
- Start date
- January 5, 2022
- Last updated
Global Notice Global Historical notice
Influenza A(H1N2) variant virus - Brazil
- Start date
- January 5, 2022
- Last updated
Global Notice Global Historical notice
Hepatitis E virus – Republic of South Sudan
- Start date
- December 23, 2021
- Last updated
Global Notice Global Historical notice
Yellow Fever - West and Central Africa
- Start date
- December 23, 2021
- 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.
