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Mar 17, 2021 · A Timeline of the Coronavirus Pandemic. The outbreak of the virus has sickened more than 80 million people. At least 1.7 million people have died. Here’s how the year unfolded. A group of ...
Feb 19, 2021 · What is an Epidemic? The Centers for Disease Control and Prevention (CDC) describes an epidemic as an unexpected increase in the number of disease cases in a specific geographical area. Yellow fever, smallpox, measles, and polio are prime examples of epidemics.
Mar 10, 2022 · Epidemic. An increase — often sudden — in the number of cases of a disease above what is normally expected in that population in a specific area. Pandemic. An epidemic that has spread over several countries or continents and affects many people.
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, is a global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
Apr 30, 2020 · Pandemic and epidemic both refer to disease outbreaks. Epidemic refers to disease across a region, and pandemic refers to disease in many countries.
As of Oct 22, 2021, more than 242·3 million infections and 4·9 million deaths have been documented, making it one of the most extensive pandemics in history, which occurred despite evaluations showing that many countries were reportedly prepared to respond to an emerging infectious disease.
