Fifth week of SLip (S:F456L) wave, edge into first week of FLiRT wavelet.
Possibly short-lived, as leading FLiRT variant KP.2 already overshadowed by non-FLiRT (S:Q493E) KP.3.
CDC breaks out FLiRT variant LB.1 (notably, not of KP clan), SLip variant XDV.1, and non-SLiP (S:T572I) JN.1.4.3 / KQ.
KP.2.3, already significant in GISAID data, not yet broken out by CDC.
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