id author title date pages extension mime words sentences flesch summary cache txt cord-321358-plxz5mkg Zheng, Jun SARS-CoV-2: an Emerging Coronavirus that Causes a Global Threat 2020-03-15 .txt text/plain 4759 251 53 An ongoing outbreak of pneumonia caused by a novel coronavirus, currently designated as the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), was reported recently. In this review, we summarize the key events occurred during the early stage of SARS-CoV-2 outbreak, the basic characteristics of the pathogen, the signs and symptoms of the infected patients as well as the possible transmission pathways of the virus. CoVs have been identified in both avian hosts and various mammals, including bat, camels, dogs and masked palm civets, and are previously regarded as pathogens that only cause mild diseases in the immunocompetent people until the emergence of the coronavirus causing severe acute respiratory syndrome (SARS-CoV) in late of 2002 [3] [4] [5] [6] . ./cache/cord-321358-plxz5mkg.txt ./txt/cord-321358-plxz5mkg.txt