Global Notice Global Historical notice
1998 - Bloody diarrhoea in Cameroon
- Start date
- June 8, 2021
- 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
1998 - Cholera in Uganda
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Yellow fever in Brazil, Update
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1996 - Cholera in Liberia
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1997 - Monkeypox changes its pattern of human infection
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1997 - Encephalitis in Nepal - Update
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Health conditions for travellers to Saudi Arabia - Pilgrimage to Mecca (Hajj)
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1997 - Yellow Fever in Bolivia
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Influenza A(H5N1) in Hong Kong - Update 5
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1996 - Bovine Spongiform Encephalopathy (BSE)
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Cholera in the Comoros Islands - Update
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Cholera in Chile
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1997 - Cholera in Somalia - Update
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1996 - Cholera in Malaysia
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1997 - Cholera in Somalia
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1996 - Dengue haemorrhagic fever in India
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1997 - Ebola haemorrhagic fever in Gabon (new outbreak) - Update 11
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1996 - Yellow Fever in Benin
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Meningitis in Democratic Republic of the Congo
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1996 - Ebola haemorrhagic fever in Gabon (new outbreak) - Update 3
- Start date
- June 8, 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.
