utations in S protein | 7 mutations:N501Y,A570D,D614G单击功能区上,P681H、T716I、S982A、D1118H 2deletions:H69-V70del,Y144del | 9 mutations:L18F,D80A、D215G、R246I、K417N、E484K、,N501Y单击功能区上,D614G,A701V 1 deletion:LAL242-244 del | 12 mutations:L18F,T20N、P26S、D138Y、R190S、K417T、E484K、,N501Y单击功能区上,D614G单击功能区上,H655Y、T1027I、V1176F |