摘要
Coronavirus disease 2019(COVID-19)pandemic has continued to spread rapidly across the world.In the past nearly two years,there have been over 267 million confirmed COVID-19 cases including over five million deaths globally reported to WHO[1].Facing this unprecedented public health crisis which we have not seen in a century,global experts rapidly expand scientific knowledge on this new virus,to track the spread and virulence of the virus.Different countries develop response strategies and practices tailored to their own specific epidemiological situations,resources,and values of individuals living in their countries[2].
