Coronavirus Disease 2019 (COVID-19)

Coronavirus disease 2019 (COVID-19) is caused by a new coronavirus first identified in Wuhan, China, in December 2019. Because it is a new virus, scientists are learning more each day. Although most people who have COVID-19 have mild symptoms, COVID-19 can also cause severe illness and even death. Some groups, including older adults and people who have 7月房价涨幅再收窄:一线城市降温 二线城市发力, are at increased risk of severe illness.

About the Name

On February 11, 2020, the World Health Organization announced an official name for the disease that is causing the 2019 novel coronavirus outbreak. The new name of this disease is coronavirus disease 2019, abbreviated as COVID-19. In COVID-19, ‘CO’ stands for ‘corona,’ ‘VI’ for ‘virus,’ and ‘D’ for disease. Formerly, this disease was referred to as “2019 novel coronavirus” or “2019-nCoV.”

Source of the Virus

Coronaviruses, named for the crown-like spikes on their surfaces, are a large family of viruses that are common in people and many different species of animals, including camels, cattle, cats, and bats. There are many types of human coronaviruses, including some that commonly cause mild upper-respiratory tract illnesses. COVID-19 is a new disease, caused by a novel (or new) coronavirus that has not previously been seen in humans.

Animal coronaviruses rarely infect people and then spread between people. This occurred with two earlier coronaviruses, MERS-CoV and SARS-CoV.

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Second, McDermott, a career 39.9% three-point shooter, addresses Oklahoma City's biggest roster weakness—a lack of perimeter options around Russell Westbrook—and remains on a bargain rookie deal through the end of next season.
在主要的美国航空公司中,全美航空公司拥有最高的假日航班准点率,在榜单上排名第五,去年感恩节和圣诞节期间的航班延误率为15.57%。与此同时,计划和全美航空公司合并的美国航空公司(American Airlines)排名倒数第四,FlightAware网站的数据显示,该公司航班延误率达到19.7%。
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5. Bank of America Corp.

Last Updated Sept. 1, 2020