We sincerely thank the authors of the human 2019 coronavirus from GISAID EpiFlu™ Database. This work was supported by the 10.13039/501100001809National Natural Science Foundation of China (31941014, 31830097, 31672586), Key 10.13039/100006190Research and Development Program of Guangdong Province (2019B020218004), Earmarked Fund for China Agriculture Research System (CARS-41-G16), Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme (2018, Wenbao Qi), and Young Scholars of Yangtze River Scholar Professor Program (2019, Wenbao Qi).