Origin and detection methods of SARS-CoV-2

ABSTRACT

In December 2019, corona virus disease 2019 (COVID-19) outbreak caused by a new coronavirus, the 2019 novel coronavirus (SARS-CoV-2), began in Wuhan, China. As of february 26, 2020, SARS-CoV-2 has infected a total of 78 190 people and killed more than 2 700 people. Except China, Asia, Europe, North America, Africa, etc. Confirmed cases have been found in more than 20 countries. In addition, research data from the Chinese Center for Disease Control and Prevention showed that the proportion of asymptomatic new coronavirus infections accounted for about 1.2%. Besides, Asymptomatic infections are likely to remain infectious during the incubation periods. Conform the origin of SARS-CoV-2 and common detection methods will be vital for us to fight against this epidemic and to prevent a comeback of the new coronavirus in the future.