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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. An epidemic disease doesn't necessarily have to be contagious.
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 ...
Jan 10, 2020 · The coronavirus disease 2019 (COVID-19) pandemic is a global outbreak of coronavirus – an infectious disease caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
Mar 10, 2022 · 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. So what would moving to a stage where COVID-19 is endemic mean?
Information on COVID-19, the infectious disease caused by the most recently discovered coronavirus.
Explore our data on COVID-19 testing to see how confirmed cases compare to actual infections. See data on how many people are being hospitalized for COVID-19. See how government policy responses – on travel, testing, vaccinations, face coverings, and more – vary across the world.
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.
In response to the global need for a rapid, safe, transparent mechanism for voluntary sharing of biological materials with epidemic or pandemic potential, WHO has jointly started to pilot-test a system, which will enable rapid risk assessments that can be shared with all countries and will accelerate research and innovation, including for ...
Oct 19, 2023 · An epidemic of an infectious disease can happen if the virus, bacteria, or other cause of the disease has recently grown stronger, is introduced somewhere it has never been before, or finds new ways to enter the bodies of those it is affecting.
