The fast-growing outbreak of the 2019 novel coronavirus (2019-nCoV), which originated from Wuhan locating in central China at the end of 2019, spread to multiple cities in merely a month. Although the mortality of this disease was lower than that of SARS, the incredible contagiousness was much higher than SRAS-CoV. Because of the tremendous clout of 2019-nCoV, it is essential to hold more details about it and monitor its future evolution. This mini review consequently summarizes the key elements of epidemiology features, providing updated relevant findings and novel insights related to 2019-nCoV.