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Mar 17, 2021 · Eve Edelheit for The New York Times. By Derrick Bryson Taylor. March 17, 2021. 阅读简体中文版 閱讀繁體中文版. The coronavirus, which surfaced in a Chinese seafood and poultry market in December 2019, has...
Feb 19, 2021 · Epidemics can refer to a disease or other specific health-related behavior (e.g., smoking) with rates that are clearly above the expected occurrence in a community or region. What is a Pandemic? The World Health Organization (WHO) declares a pandemic when a disease’s growth is exponential.
Coronavirus. By country. Data explorer. Deaths. Cases. Tests. Hospitalizations. Vaccinations. Mortality risk. Excess mortality. Policy responses. Explore all metrics – including cases, deaths, testing, and vaccinations – in one place. Get an overview of the pandemic for any country on a single page.
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. [1] [2]
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).
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. Over the past two years, COVID-19 has been classified as a pandemic due to its widespread effects.
Apr 4, 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.
