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.

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 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 …

The coronavirus disease 2019 (COVID-19) pandemic is a global outbreak of coronavirus – an infectious disease caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Cases of …

Dec 2, 2025 · Coronavirus disease (COVID-19)The virus can spread from an infected person’s mouth or nose in small liquid particles when they cough, sneeze, speak, sing or breathe. These particles range …

It has been over a month since the declaration of the Marburg virus disease (MVD) outbreak in Rwanda on 27 September 2024. As of 31 October 2024, 66 confirmed cases, including 15 deaths (CFR: …

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 …

On 15 November 2025, WHO was notified of the 71st confirmed human case with influenza A(H5) since early 2024 in the United States of America— the first human case reported in the United States of …

Since the declaration of the Marburg Virus Disease (MVD) outbreak on 20 January 2025 in the United Republic of Tanzania, one additional confirmed death was reported by the Ministry of Health from the …