Introduction: The B.1.1.7 lineage (VOC-202012/01) variant identified in patients in the United Kingdom encodes a
spike protein with 8 mutations in addition to
D614G (Delta69-70, Y144Del,
N501Y,
A570D,
P681H,
T716I,
S982A, and
D1118H).
Result: Analysis of the B.1.1.7 variant and its component mutations showed that the single point mutations had little effect on infectivity (Delta69-70, Y144Del,
N501Y,
A570D,
P681H, and
D1118H), except for
T716I, which had 5.8-fold decreased infectivity, and
S982A, whi