9-nCoV was first reported in Wuhan, China in December 2019 from patients with pneumonia,6 and it has exceeded both SARS-CoV and MERS-CoV in its rate of transmission among humans.7 2019-nCoV was renamed SARS-CoV-2 by Coronaviridae Study Group (CSG) of the International Committee on Taxonomy of Viruses (ICTV),8 whil