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The 'Nimbus' sub-lineage has been split into multiple child lineages, with some showing recent growth.

HealthcareGeneticsVirologyMay 18, 2026score 0.382 posts · 2 replies across 1 instances
The thread discusses the splitting of the 'Nimbus' sub-lineage into child lineages, highlighting specific mutations and geographic reporting of new variants. This information is relevant for tracking the evolution and spread of these variants.

Claims

The 'Nimbus' sub-lineage has been split into multiple child lineages, with some showing recent growth.
Parent: Public HealthEntity: Viral Lineage EvolutionImpact: neutralDate: May 18, 2026Target: The splitting and growth of viral lineages
New mutations such as Spike 680Y and ORF1a:T333M have been identified in the RC.6 lineage.
Parent: GeneticsEntity: Viral MutationsImpact: neutralDate: May 18, 2026Target: The presence of new viral mutations
The RC.6 lineage has been predominantly reported from Ontario, Canada.
Parent: VirologyEntity: Viral SpreadImpact: neutralDate: May 18, 2026Target: The geographic distribution of the RC.6 lineage

Source posts

@[email protected]
"Nimbus" sub-lineage PQ.2.8.1 has been split into many child lineages, with RC.6 showing some recent growth. RC.6 adds the Spike 680Y and ORF1a:T333M mutations. RC.6 has mostly been reported from Ontario, Canada. 🧵
0 boosts · 0 favs · 1 replies · May 18, 2026
@[email protected]
"Nimbus" sub-lineage PQ.16.1.1 has been split into a few child lineages, with SV.2 and SV.2.1 also showing some signs of growth. SV.2 added the ORF1a:A687T mutation, and then SV.2.1 added the Spike I1216V mutation. 🧵
0 boosts · 0 favs · 1 replies · May 18, 2026