Search results
Feb 19, 2021 · Learn the differences between epidemic, endemic, and pandemic, and how they relate to disease outbreaks and public health. Explore the causes, history, and prevention of past and current pandemics, such as COVID-19, influenza, and AIDS.
An epidemic (from Greek ἐπί epi "upon or above" and δῆμος demos "people") is the rapid spread of disease to a large number of hosts in a given population within a short period of time. For example, in meningococcal infections, an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered an epidemic ...
The COVID-19 pandemic(also known as the coronavirus pandemic& COVID pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an outbreakof COVID-19in Wuhan, China, in December 2019. It spread to other areas of Asia, and then worldwidein early 2020.
Sep 7, 2024 · Epidemic, an occurrence of disease that is temporarily of high prevalence. An epidemic occurring over a wide geographical area (e.g., worldwide) is called a pandemic. The rise and decline in epidemic prevalence of an infectious disease is a probability phenomenon dependent upon transfer of an.
- The Editors of Encyclopaedia Britannica
Explore our data on COVID-19 testing to see how confirmed cases compare to actual infections. See data on how many people are being hospitalized for COVID-19. See how government policy responses – on travel, testing, vaccinations, face coverings, and more – vary across the world.
- Hannah Ritchie, Edouard Mathieu, Lucas Rodés-Guirao, Cameron Appel, Charlie Giattino, Esteban Ortiz-...
- 2020
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 novel coronavirus (nCoV) were first detected in China in December 2019, with the virus spreading rapidly to other countries across the world.
Information on COVID-19, the infectious disease caused by the most recently discovered coronavirus.
