摘要
In December 2019,a cluster of viral pneumonia cases of unknown origin emerged in Wuhan,Hubei Province of China.This emergency has attracted global concern,and the World Health Organization(WHO)declared the outbreak a Public Health Emergency of International Concern.Joint efforts to identify the causative agent were undertaken by multidisciplinary task forces under the organization of the National Health Commission of the People’s Republic of China,and a novel coronavirus,named 2019 novel coronavirus(2019-nCoV)by the WHO,was swiftly identified as the pathogen responsible for this contagious epidemic.
