a schematic diagram shows the origin and evolution of a subvariant hv.1 from omicron via ba.2, xbb, and eg.5.

vh1 origin evolve eris diagram antigen schematic hv1 eg5 xbb ba2 concern corona coronavirus covid19 design family genealogical genetic graphic health icon isolated label lineage mutant mutated mutation name variant omicron omikron scientific sign strain sublineage subtype symbol text tree vector virus shows evolution subvariant sublineages relative turn recombinant coronovirus icons spike proteins colors sublineages symbolizing mutations