
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.
Stages of an outbreak investigation - World Health Organization (WHO)
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 …
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 comprehensive, up-to …
Coronavirus disease (COVID-19) pandemic
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 …
Coronavirus disease (COVID-19) - World Health Organization (WHO)
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 …
Marburg virus disease – Rwanda
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: …
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 States of …
Seasonal influenza - Global situation
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 …
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 incubation …
Trends of acute respiratory infection, including human …
Jan 7, 2025 · In many countries of the Northern Hemisphere, trends in acute respiratory infections increase at this time of year. These increases are typically caused by seasonal epidemics of …