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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 bulletin

Case total not available

Confirmed casesSum of reported illnesses

131

Countries affected

October 15, 2026

Most recent notice

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Outbreaks reported by month (Year to date)

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Source: WHO public dataLast updated October 21, 2026 ET

Summary (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.

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No disease breakdown is available for these filters.

Notices by country

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

1996 - Cholera in Nigeria

Start date: June 8, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

1996 - Meningococcal meningitis in Nigeria

Start date: June 8, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

1996 - Ebola haemorrhagic fever in Gabon - Update 2

Start date: June 8, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

1996 - Meningococcal meningitis in Nigeria

Start date: June 8, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

1996 - Cerebrospinal meningitis in Burkina Faso

Start date: June 8, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

1996 - Meningococcal meningitis in Brazil

Start date: June 8, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Update 74 - Global decline in cases and deaths continues

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Severe acute respiratory syndrome (SARS) in Singapore - update

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Pertussis in Afghanistan

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Update 80 - Change in travel recommendations for parts of China, situation in Toronto

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Severe Acute Respiratory Syndrome (SARS) - multi-country outbreak - Update 31

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Severe Acute Respiratory Syndrome (SARS) multi-country outbreak - Update 7

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Severe Acute Respiratory Syndrome (SARS) - multi-country outbreak - Update 36

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

2002 - Acute respiratory syndrome in Democratic Republic of the Congo - Update

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Update 89 – What happens if SARS returns?

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

2002 - West Nile virus in Canada - Update 6

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Update 69 - Situation in China

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Poliomyelitis in West Africa: Togo, Burkina Faso and Ghana

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Shigellosis in Central African Republic

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Severe Acute Respiratory Syndrome (SARS) multi-country outbreak - Update 4

Start date: June 7, 2021
Last updated: July 21, 2026 ET

Data last updated: October 21, 2026 ET

Outbreak investigations may be ongoing; case counts, hospitalizations, and deaths are updated by CDC as investigations continue. Read the full medical disclaimer.