Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo, Kenya and Nigeria
Countries / areas: Democratic Republic of the Congo, Kenya, Nigeria · Notices: 10 · First notice: 2025-12-01
Global Outbreak Observatory
All outbreak events
Source: WHO Disease Outbreak News (official summaries). Multiple notices on the same disease and countries are grouped into one event.
WHO Disease Outbreak News · Last successful update on this site: 2026-11-12 01:10 UTC
Yellow fever
Reported by WHO
Latest notice:
Yellow fever - WHO African Region
Countries / areas: WHO African Region · Notices: 1 · First notice: 2026-11-06
Shamonda virus in human
Reported by WHO
Latest notice:
Shamonda virus in human - France
Countries / areas: France · Notices: 1 · First notice: 2026-11-02
Middle East respiratory syndrome coronavirus - Kingdom of Saudi Arabia
Countries / areas: Kingdom of Saudi Arabia · Notices: 1 · First notice: 2026-10-15
Pneumonia of undetermined etiology
Reported by WHO
Latest notice:
Pneumonia of undetermined etiology - the Russian Federation
Countries / areas: the Russian Federation · Notices: 1 · First notice: 2026-10-10
Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo & Uganda
Countries / areas: Democratic Republic of the Congo & Uganda · Notices: 7 · First notice: 2026-05-16
Hantavirus outbreak linked to cruise ship travel
Reported by WHO
Latest notice:
Hantavirus outbreak linked to cruise ship travel, Multi-locations
Countries / areas: Multi-locations · Notices: 2 · First notice: 2026-05-28
Nipah virus disease
Reported by WHO
Latest notice:
Nipah virus disease - India
Countries / areas: India · Notices: 2 · First notice: 2026-01-30
Yellow fever
Reported by WHO
Latest notice:
Yellow fever - Global
Countries / areas: Global · Notices: 1 · First notice: 2026-06-24
Hantavirus cluster linked to cruise ship travel
Reported by WHO
Latest notice:
Hantavirus cluster linked to cruise ship travel, Multi-country
Countries / areas: Multi-country · Notices: 3 · First notice: 2026-05-04
Measles - Bangladesh
Countries / areas: Bangladesh · Notices: 1 · First notice: 2026-04-23
Avian Influenza A(H9N2) - Italy
Countries / areas: Italy · Notices: 1 · First notice: 2026-04-10
International food safety event: Infant formula and products containing arachidonic acid oil contaminated with cereulide toxin
Reported by WHO
Latest notice:
International food safety event: Infant formula and products containing arachidonic acid oil contaminated with cereulide toxin - Multi-country
Countries / areas: Multi-country · Notices: 1 · First notice: 2026-03-13
Mpox: recombinant virus with genomic elements of clades Ib and IIb – Global situation
Countries / areas: Global situation · Notices: 2 · First notice: 2025-12-05
Nipah virus infection
Reported by WHO
Latest notice:
Nipah virus infection - Bangladesh
Countries / areas: Bangladesh · Notices: 1 · First notice: 2026-02-06
Marburg virus disease
Reported by WHO
Latest notice:
Marburg virus disease- Ethiopia
Countries / areas: Ethiopia · Notices: 2 · First notice: 2025-11-21
Middle East respiratory syndrome coronavirus - Global update
Countries / areas: Global update · Notices: 1 · First notice: 2025-12-24
Seasonal influenza - Global situation
Countries / areas: Global situation · Notices: 1 · First notice: 2025-12-10
Avian Influenza A(H5N5)- United States of America
Countries / areas: United States of America · Notices: 1 · First notice: 2025-12-05
Diphtheria
Reported by WHO
Latest notice:
Diphtheria - African Region (AFRO)
Countries / areas: African Region (AFRO) · Notices: 1 · First notice: 2025-11-21
Rift Valley fever
Reported by WHO
Latest notice:
Rift Valley fever- Mauritania and Senegal
Countries / areas: Mauritania and Senegal · Notices: 1 · First notice: 2025-11-05
Chikungunya virus disease
Reported by WHO
Latest notice:
Chikungunya virus disease- Global situation
Countries / areas: Global situation · Notices: 1 · First notice: 2025-10-03
