Pandemic - Wikipedia A pandemic ( pænˈdɛmɪk pan-DEM-ik) is an epidemic of an infectious disease that has a sudden increase in cases and spreads across a large region, for instance multiple continents or worldwide, affecting a substantial portion of the human population
Pandemic | Description, History, Preparedness, Facts | Britannica A pandemic is an outbreak of infectious disease that occurs over a wide geographical area and that is of high prevalence, generally affecting a significant proportion of the world’s population over the course of several months
What Is a Pandemic? Causes, Impact, and Preparedness - WebMD A pandemic is an epidemic that's happening around the world Sometimes, doctors also talk about epidemics of other health conditions, such as an epidemic of obesity, diabetes, or substance abuse
Coronavirus disease (COVID-19) COVID-19 is caused by the SARS-CoV-2 virus, which spreads through the air in infectious respiratory particles from an infected person Transmission is more likely in close contact or shared indoor spaces The virus can also spread by touching contaminated surfaces and then the eyes, nose or mouth