With COVID-19 case numbers climbing dramatically in the United States and millions of people sheltered in their homes to help quell the outbreak, many are asking the obvious question: How long will all this last? Yale School ...
Mar 30, 2020
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Analyses of publicly available genome data provide clues to the beginnings of the coronavirus epidemic in China. Researchers from the Department of Biosystems Science and Engineering at ETH Zurich in Basel used a statistical ...
Mar 2, 2020
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In the U.S., scientists stress that the number of coronavirus cases has been growing exponentially. In ordinary speech, the term "exponential" usually means "really fast."
Apr 3, 2020
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In rapidly spreading epidemics such as the current coronavirus pandemic, it is usually expected that a majority of the population will be infected before herd immunity is achieved and the epidemic abates. The estimate of ...
Oct 30, 2020
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Denmark, which in February lifted all curbs related to the coronavirus pandemic, said Tuesday it was suspending its widespread COVID-19 vaccination campaign.
Apr 26, 2022
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Understanding epidemiological terms such as pandemic, endemic and outbreak can be confusing, especially as more news emerges about Zika virus and dengue fever.
Mar 23, 2016
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The use of cannabis may have a negative impact on outcomes for a common bypass surgery, a study suggests.
Nov 16, 2022
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Much research has been done on the effectiveness of masks to mitigate the spread of infectious diseases. However, standard infection models tend to focus only on disease states, overlooking the dynamics of a complex paradox: ...
Jun 24, 2022
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Can legalizing marijuana fight the problem of opioid addiction and fatal overdoses? Two new studies in the debate suggest it may.
Apr 2, 2018
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Surgical masks are replaced with N-95 respirators, the dental drill is silent, and waiting-room magazines are gone. Your next trip to the dentist may be much different from what you're used to.
Jun 8, 2020
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In epidemiology, an epidemic (επι (epi)- meaning "upon or above" and δεμος (demos)- meaning "people"), occurs when new cases of a certain disease, in a given human population, and during a given period, substantially exceed what is expected based on recent experience.:354 Epidemiologists often consider the term outbreak to be synonymous to epidemic, but the general public typically perceives outbreaks to be more local and less serious than epidemics:55, 354
An epidemic may be restricted to one locale, however if it spreads to other countries or continents and affects a substantial number of people, it may be termed a pandemic.:55 The declaration of an epidemic usually requires a good understanding of a baseline rate of incidence; epidemics for certain diseases, such as influenza, are defined as reaching some defined increase in incidence above this baseline. A few cases of a very rare disease may be classified as an epidemic, while many cases of a common disease (such as the common cold) would not.
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