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The ST.1 lineage has taken over from the SW.2.1 lineage within the XFG.* branches.

VirologyHealthcareGenetic LineagesOct 11, 2026score 0.402 posts · 2 replies across 1 instances
The thread discusses the growth and dominance of specific viral lineages (ST.1, PJ.2.1, and SW.2.1) within the XFG.* branches, highlighting their changing prevalence and potential for takeover.

Claims

The ST.1 lineage has taken over from the SW.2.1 lineage within the XFG.* branches.
Parent: Public HealthEntity: Viral LineagesSub-entity: XFG.* branchesImpact: positiveDate: Oct 11, 2026 - Oct 12, 2026Target: Dominance of ST.1 lineage over SW.2.1
The PJ.2.1 lineage has grown to 13% and is poised to take over from the SW.2.1 lineage.
Parent: Public HealthEntity: Viral LineagesSub-entity: PJ.2.1Impact: positiveDate: Oct 11, 2026 - Oct 12, 2026Target: Potential takeover of PJ.2.1 over SW.2.1

Source posts

@[email protected]
Looking at the individual lineages, ST.1 has taken over from it’s cousin SW.2.1 among the XFG.* branches, growing strongly to 13%. PJ.2.1 also grew strongly to 10%, and appears to be on a stronger recent trajectory. 🧵
0 boosts · 0 favs · 1 replies · Oct 11, 2026
@[email protected]
Looking at the individual lineages, PJ.2.1 also grew strongly to 13%. It looks poised to take over from XFG.* "Stratus" sub-lineage SW.2.1, which has been dominant in recent months, but fell to finish at 15%. 🧵
1 boosts · 0 favs · 1 replies · Oct 12, 2026