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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

Ebola virus disease – Democratic Republic of the Congo

Start date: December 13, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: December 6, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: November 29, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: November 22, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: November 15, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: November 8, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: November 1, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: October 25, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: October 18, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: October 11, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: October 4, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: September 27, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: September 20, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: September 14, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: September 7, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: August 31, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: August 24, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: August 17, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease - Democratic Republic of the Congo

Start date: August 14, 2018
Last updated: July 21, 2026 ET

Global Notice Global Historical notice

Ebola virus disease – Democratic Republic of the Congo

Start date: August 9, 2018
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.