[1] George F. Gao. From “A” IV to “Z” IKV: attacks from emerging and Re-emerging pathogens. Cell 2018;172(6):1157 − 9. http://dx.doi.org/10.1016/j.cell.2018.02.025CrossRef
[2] Tan WJ, Zhao X, Ma XJ, Wang WL, Niu PH, Xu WB, et al. A novel coronavirus genome identified in a cluster of pneumonia cases — Wuhan, China 2019−2020. China CDC Weekly 2020;2(4):61 −2. http://weekly.chinacdc.cn/en/article/ccdcw/2020/4/61.
[3] Ministry of health protocol of surveillance, investigation and management for pneumonia of unknown etiology, 2007. Ministry of Health, China.