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 an outbreak, from confirming its existence to communicating findings for future preparedness Each step is designed to ensure that the outbreak is thoroughly understood, controlled, and
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-date toolkit for investigating both infectious disease outbreaks and non-infectious events and hazards By offering standardized tools, the Toolkit addresses the critical need for data
Coronavirus - World Health Organization (WHO) Gatherings in the context of the 2024 mpox outbreak: public health guidance This document examines the risk-based approach to gatherings, mpox-associated risks during the current public health emergency of international concern,
Outbreak of suspected Marburg Virus Disease - United Republic of Tanzania An addendum was added to this Disease Outbreak News on 21 January 2025 to include the declaration of the outbreak by national authorities of the United Republic of Tanzania Introduction On 13 January 2025, WHO informed its Member States and IHR State Parties of an outbreak of suspected Marburg Virus Disease (MVD) in the Kagera region of the United Republic of Tanzania using our secure web
Mpox outbreak - World Health Organization (WHO) Page providing resources relating to an outbreak of mpox that began in 2022 Resources include general information on the virus, situation reports and materials for health workers
Undiagnosed disease – Democratic Republic of the Congo Between 24 October and 5 December 2024, Panzi health zone in Kwango Province of Democratic Republic of the Congo recorded 406 cases of an undiagnosed disease with symptoms of fever, headache, cough, runny nose and body ache All severe cases were reported to be severely malnourished Among the cases, 31 deaths have been registered The majority of cases reported are among children
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 periods (a total of 42 days) since the last person confirmed with MVD died on 28 January 2025 and was given a safe and dignified burial, in accordance with WHO recommendations No new confirmed cases
Measles – Region of the Americas Individuals living in outbreak areas should follow local public health guidance Globally, between 2000 and 2023, vaccination successfully prevented an estimated 60 million deaths (6 million deaths in the Americas) and decreased an estimated measles death from 800 062 in 2000 to 107 500 in 2023, which is an 87% decrease
Multi-country outbreak of cholera, External situation report #21 - 18 . . . Overview From 1 January to 24 November 2024, a cumulative total of 733 956 cholera cases and 5162 deaths were reported from 33 countries across five WHO regions The number of cases and deaths reported in November 2024 are 37% and 27% higher, respectively, compared to the same month in 2023 Factors such as conflict, mass displacement, natural disasters, and climate change have intensified