Characterization of SARS-CoV-2 variants B.1.617.1 (Kappa), B.1.617.2 (Delta) and B.1.618 on cell entry, host range, and sensitivity to convalescent plasma and ACE2 decoy receptor
W. Ren, X. Ju, M. Gong…·Q. Ding
This study characterizes SARS-CoV-2 variants Kappa, Delta, and B.1.618, finding increased ACE2 binding in non-human hosts, enhanced spike cleavage, and reduced neutralization sensitivity, but maintained sensitivity to ACE2 decoy receptor.