Global Notice Global Historical notice
1998 - Cholera in Brazil
- 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.
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
1998 - Enterovirus Outbreak in Taiwan, China - update no. 2
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Cholera in Russian Federation
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Cholera in Cambodia
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 -cholera - European Commision lifts ban on East African fresh fish imports
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Cholera in Afghanistan, update
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Crimean-Congo haemorrhagic fever in Pakistan
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Dengue in Asia
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Meningococcal Meningitis in Angola
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Cholera, Armenia
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Hurricane Mitch, Update 8
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Malaria in the United Republic of Tanzania.
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Cholera/diarrhoea outbreak in Liberia
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Meningitis in Chad
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Cholera in Asia.
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Cholera in the Democratic Republic of the Congo
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Dengue and Dengue Haemorrhagic Fever in Malaysia
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Cholera in Afghanistan
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Cholera/acute diarrhoea in Somalia
- Start date
- June 8, 2021
- Last updated
Global Notice Global Historical notice
1998 - Malaria in the United Republic of Tanzania.
- 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.
