Researchers at the University of Arizona and the University of Cambridge in the U.K. have reconstructed the origins of the AIDS pandemic in unprecedented detail.
Oct 26, 2016
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Amid an obesity epidemic in the United States, you may have heard of efforts to eliminate "food deserts," or areas with few healthy food options, and limit fast-food chains near where people live.
Mar 18, 2024
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Certain diseases transmitted from animals to humans could kill 12 times as many people in 2050 than they did in 2020, researchers have claimed.
Nov 4, 2023
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Before SARS-CoV-2 and COVID-19, there was the Zika virus epidemic, lasting from 2015 to 2016. The Zika virus can cause serious birth defects and abnormalities. During the epidemic, one of the most striking results of Zika ...
Sep 21, 2023
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The opioid epidemic in the United States has exacted an incalculable toll on individuals and communities, creating an urgent need for alternative painkillers. The search for non-opioid treatments is crucial, not only to mitigate ...
Sep 20, 2023
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A trio of infectious diseases specialists with Global Health Impact Group, working with a doctor from Switzerland, has found evidence suggesting that people infected with the HIV virus who have a viral load below 1,000 cpy/mL ...
COVID-19 affected life expectancy around the world. In the U.S. life expectancy losses were much larger for Hispanic and Black males in the U.S. compared with their White counterparts, according to new research published ...
Aug 25, 2022
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Methamphetamine remains a stubbornly prevalent illicit substance in large swaths of rural America, according to a new study by Oregon Health & Science University researchers.
Aug 15, 2022
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Increases in three climate factors—temperature, rainfall, and ocean warming —predicted mosquito population growth in Sri Lanka for the next one to six months, according to a new study by an international team of researchers. ...
Jul 6, 2022
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Techniques used in weather forecasting can be repurposed to provide individuals with a personalized assessment of their risk of exposure to COVID-19 or other viruses, according to new research published by Caltech scientists.
Jun 23, 2022
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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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