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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 · 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 effective dose of the infectious agent from an ...
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.
Jan 27, 2021 · EDITORIAL. 27 January 2021. How epidemiology has shaped the COVID pandemic. Nature ’s third progress report, coming at the end of the pandemic’s first year, highlights key findings from...
During the biennium 2020-2021, countries put up enormous efforts to address the unrelenting COVID-19 pandemic, with the world’s largest and fastest vaccination drive ever to rollout new COVID-19 vaccines. Despite this, 3.5 million lives were lost to the disease and vaccine hoarding and nationalism led to stark inequities.
Oct 19, 2023 · An epidemic is a sudden disease outbreak that affects a large number of people in a particular region, community, or population. In an epidemic, the number of people affected by the disease is larger than what is normally expected.
Mar 9, 2020 · An epidemic is an outbreak over a larger geographic area. When people in places outside of Wuhan began testing positive for infection with SARS-CoV-2 (which causes the disease known as COVID-19),...
