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Mar 17, 2021 · By April 26, the coronavirus pandemic had killed more than 200,000 people and sickened more than 2.8 million worldwide, according to data collected by The New York Times. The actual toll is higher ...
As of 24 May 2024, the pandemic has caused 7,047,741 confirmed deaths, making it the fifth-deadliest pandemic or epidemic in history. COVID-19 symptoms range from asymptomatic to deadly, but most commonly include fever, sore throat, nocturnal cough, and fatigue. Transmission of the virus is often through airborne particles.
Feb 19, 2021 · Learn the differences between epidemic, endemic, and pandemic diseases, and how they affect public health. Explore the causes, history, and prevention of past and current outbreaks, 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.
Apr 4, 2024 · An epidemic is a temporary increase in the prevalence of a disease in a population. Learn about the causes, types, and history of epidemics, as well as the difference between epidemic and pandemic, from Britannica.
- The Editors of Encyclopaedia Britannica
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Mar 10, 2022 · Learn the definitions and differences of endemic, epidemic and pandemic, and how they apply to COVID-19. Find out why it's too early to call the pandemic over and what to watch for in your community.
Jan 27, 2021 · This editorial reviews key findings from epidemiology that have informed policy decisions and public-health measures during the first year of the COVID-19 outbreak. It also explores how epidemiology is adapting to new challenges, such as emerging variants and vaccine effectiveness.
