#kp.3.1.1

[covid-safer-hotties]

Antibody evasiveness of SARS-CoV-2 subvariants KP.3.1.1 and XEC

SARS-CoV-2 Omicron JN.1 subvariants KP.3.1.1 and XEC emerged as dominant over parental strains. Wang et al. show that KP.3.1.1 and XEC are s

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Highlights • KP.3.1.1 and XEC are 1.3- to 1.6-fold more resistant to serum neutralization than KP.3 • KP.2 MV booster may elicit higher titers against KP.3.1.1 and XEC than JN.1 infection • Spike mutations F59S and S31Δ are functionally similar for receptor binding and mAb evasion

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COVID-19 variant KP.3.1.1 becomes dominant in US: See latest CDC data

The COVID-19 KP.3.1.1 variant now accounts for 27.8% of positive cases in the United States, CDC projections show

Gee, and I was just getting used to this variant's Meemaw KP.3...