[1] Wu F, Zhao S, Yu B, Chen YM, Wang W, Song ZG, et al. A new coronavirus associated with human respiratory disease in China. Nature 2020;579(7798):265 − 9. http://dx.doi.org/10.1038/s41586-020-2008-3CrossRef
[2] Katoh K, Standley DM. MAFFT multiple sequence alignment software version 7: improvements in performance and usability. Mol Biol Evol 2013;30(4):772 − 80. http://dx.doi.org/10.1093/molbev/mst010CrossRef
[3] Nguyen LT, Schmidt HA, von Haeseler A, Minh BQ. Q-TREE: a fast and effective stochastic algorithm for estimating maximum-likelihood phylogenies. Mol Biol Evol 2015;32(1):268 − 74. http://dx.doi.org/10.1093/molbev/msu300CrossRef
[4] Rambaut A, Holmes EC, O'Toole Á, Hill V, McCrone JT, Ruis C, et al. A dynamic nomenclature proposal for SARS-CoV-2 lineages to assist genomic epidemiology. Nat Microbiol 2021;6(3):415. http://dx.doi.org/10.1038/s41564-020-0770-5CrossRef
[5] Tang XL, Wu CC, Li X, Song YH, Yao XM, Wu XK, et al. On the origin and continuing evolution of SARS-CoV-2. Natl Sci Rev 2020;7(6):1012 − 23. http://dx.doi.org/10.1093/nsr/nwaa036CrossRef
[6] Korber B, Fischer WM, Gnanakaran S, Yoon H, Theiler J, Abfalterer W, et al. Tracking changes in SARS-CoV-2 spike: evidence that D614G increases infectivity of the COVID-19 virus. Cell 2020;182(4):812 − 27.e19. http://dx.doi.org/10.1016/j.cell.2020.06.043CrossRef
[7] Starr TN, Greaney AJ, Hilton SK, Ellis D, Crawford KHD, Dingens AS, et al. Deep mutational scanning of SARS-CoV-2 receptor binding domain reveals constraints on folding and ACE2 binding. Cell 2020;182(5):1295 − 310.e20. http://dx.doi.org/10.1016/j.cell.2020.08.012CrossRef
[8] Gu HJ, Chen Q, Yang G, He L, Fan H, Deng YQ, et al. Adaptation of SARS-CoV-2 in BALB/c mice for testing vaccine efficacy. Science 2020;369(6511):1603 − 7. http://dx.doi.org/10.1126/science.abc4730CrossRef