Disease Outbreak News - World Health Organization (WHO)
WHO provides the latest disease outbreak news, offering information on confirmed public health emergencies or events of potential concern.
WHO - List of emergencies
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 …
Stages of an outbreak investigation - World Health Organization …
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 …
Outbreak Toolkit - World Health Organization (WHO)
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 …
Coronavirus disease (COVID-19) - World Health Organization (WHO)
Sep 29, 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. …
Marburg virus disease – Rwanda
Since the last Disease Outbreak News on this event was published on 25 October 2024, two additional laboratory-confirmed cases of Marburg virus disease (MVD) were reported in …
Marburg virus disease– United Republic of Tanzania
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 …
Avian Influenza A (H5N5) - United States of America
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 …
Marburg Virus Disease–United Republic of Tanzania
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 …
Environment, Climate Change and Health
A disease outbreak is the occurrence of disease cases in excess of normal expectancy. The number of cases varies according to the disease-causing agent, and the size and type of …