WHO provides the latest disease outbreak news, offering information on confirmed public health emergencies or events of potential concern.

The health emergencies list below details the disease outbreaks, environmental disasters and other humanitarian crises in which WHO has played or is still playing an essential role in protecting health.

Dec 22, 2025 · Multi-country outbreak of cholera, epidemiological update #33 -27 January 2026

Feb 3, 2026 · Framework and toolkit for infection prevention and control outbreak preparedness, readiness and response As observed in recent large-scale outbreaks, health facilities (HFs) with …

When a disease outbreak occurs, responding swiftly and effectively is critical to protect public health and minimize the spread of disease. The following steps outline a systematic approach to investigating …

The global cholera situation continues to deteriorate, driven by conflict and poverty, posing a significant public health challenge across multiple WHO regions. Between 1 January and 17 August 2025, a …

The Outbreak Toolkit is specifically designed for epidemiologists and field investigators operating at the frontline of complex emergencies and in resource-limited settings. It provides a comprehensive, up-to …

On 13 March 2025, the Ministry of Health of the United Republic of Tanzania declared the end of the Marburg virus disease (MVD) outbreak. This declaration came after two consecutive incubation …

Nov 21, 2025 · WHO assesses the public health risk posed by the outbreak as high at the national level, moderate at the regional level and low at the global level. Ethiopia is facing concurrent emergencies …

Nov 30, 2025 · Seasonal influenza (‘the flu’) is an acute respiratory infection caused by influenza viruses that circulate globally and year-round. It can cause illness ranging from mild to severe, sometimes …