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In 1974, a new coronavirus was discovered from U.S. military dogs, [142] and was named by ICTV in 1991 as Canine coronavirus. PTGV, FIPV, and dog virus were shown to have apparent relatedness by the early 1990s. [143] [144] In 1998, a study revealed that FCoV originates from genetic recombination with Canine coronavirus. [145]
A study by Scripps Research Institute reports that COVID-19 may be mutating in Florida, making the virus more likely to infect cells. [91] During the month of June the seven day moving average of new COVID-19 cases in Florida increased nearly ten-fold, from 726 new cases per day on June 1 to 7,140 new cases on July 1, 2020. [5]
Infectious bronchitis virus (IBV), a type of coronavirus, causes avian infectious bronchitis. [131] The virus is of concern to the poultry industry because of the high mortality from infection, its rapid spread, and its effect on production. [127] The virus affects both meat production and egg production and causes substantial economic loss. [132]
The timeline of the COVID-19 pandemic lists the articles containing the chronology and epidemiology of SARS-CoV-2, [1] the virus that causes the coronavirus disease 2019 and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 17 November 2019. [2]
Samples from a study suggesting the coronavirus was circulating outside China by October 2019 have been re-tested at the World Health Organization's (WTO) request, two scientists who led the ...
New cases were 22.02% higher than those added in the previous week, and COVID-19 testing increased by 0.44%. Palm Beach reported 1,489 new resident cases, reaching a cumulative total of 461,440.
The key properties of a stem cell were first defined by Ernest McCulloch and James Till at the University of Toronto and the Ontario Cancer Institute in the early 1960s. They discovered the blood-forming stem cell, the hematopoietic stem cell (HSC), through their pioneering work in mice. McCulloch and Till began a series of experiments in which ...
It seems everyone is getting sick. Sniffles. Coughing. Sore throat. And worse.