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It’s a common virus that causes illness in the upper and lower respiratory tracts, Dr. William Schaffner, a professor of infectious disease at the Vanderbilt University Medical Center, tells ...
Screenshot of a template on the English Wikipedia displaying a collection of articles related to the COVID-19 pandemic, as of 3 April 2021. A year after its first creation, the main COVID-19 pandemic Wikipedia article in English had become the 34th most viewed article on the website of all time, with almost 32,000 inbound links from other articles, according to The New Republic. [2]
The new "FLiRT" COVID-19 variants, including KP.3 and KP.2, are spreading in the United States. Will there be a summer surge? Experts discuss transmission, symptoms, and vaccines.
Widespread non-communicable diseases such as cardiovascular disease and cancer are not included. An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal infections , an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered ...
The virus was confirmed to have spread to Brazil on 25 February 2020, [376] when a man from São Paulo who had travelled to Italy tested positive for the virus. [377] The disease had spread to every federative unit of Brazil by 21 March. On 19 June 2020, the country reported its one millionth case and nearly 49,000 reported deaths.
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A viral disease (or viral infection) occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells. [ 1 ] Examples include the common cold , gastroenteritis , COVID-19 , the flu , and rabies .