An outbreak of novel coronavirus pneumonia is ongoing, called 2019-nCoV, was first identified in Wuhan, Hubei province, China at the end of 2019 [1, 2]. As of February 10th, 2020, at least 40,261 cases confirmed, 23,589 cases suspected, 909 cases death and 3444 cases were cured in China (Fig. 1) [3]. 24 countries (Fig. 2) such as Japan, Singapore, Thailand, Korea, and the United States have 383 cases being diagnosed, with 1 case death so far [3]. Although Chinese authorities improved surveillance network, made the laboratory be able to recognize the outbreak within a few weeks and announced the virus genome that provide efficient epidemiological control, World Health Organization (WHO) assessed the risk as ‘very high’ in China and ‘high’ in global level in the coming weeks [4], and declared the public health emergency of international concern (PHEIC) over the global outbreak of 2019-nCoV in January 31, 2020. Fig. 1 a The number cases of 2019-nCoV pneumonia confirmed in China by province Feb 10th, 2020; b The number cases of 2019-nCoV pneumonia confirmed in Hubei province, China Feb 10th, 2020 Fig. 2 The number of 2019-nCoV pneumonia confirmed in the world 10 Feb 2020