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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 23, 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

Middle East respiratory syndrome coronavirus – Saudi Arabia

Start date: October 31, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Monkeypox - Central African Republic

Start date: October 13, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Wild poliovirus type 1 and circulating vaccine-derived poliovirus type 2 - Nigeria

Start date: October 6, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Rift Valley fever - Niger

Start date: September 29, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – Saudi Arabia

Start date: September 21, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – Austria

Start date: September 20, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – Saudi Arabia

Start date: September 16, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – Thailand

Start date: August 26, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Influenza A H7N9 virus – China

Start date: August 17, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Chikungunya – Kenya

Start date: August 9, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Rift Valley fever - China

Start date: August 2, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – Saudi Arabia

Start date: July 25, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Influenza A H7N9 virus – China

Start date: July 22, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Enterohaemorrhagic Escherischia coli – United Kingdom of Great Britain and Northern Ireland

Start date: July 20, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – Saudi Arabia

Start date: July 6, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Influenza A H7N9 virus – China

Start date: July 1, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – Qatar

Start date: June 29, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – Saudi Arabia

Start date: June 22, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – Saudi Arabia

Start date: June 21, 2016
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Middle East respiratory syndrome coronavirus – United Arab Emirates

Start date: June 21, 2016
Last updated: July 21, 2026 ET

Data last updated: October 23, 2026 ET

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