a new omicron variant hv.1 sublineage of xbb.1.9.2.

rise growth eg5161 hv1 2019ncov arrow backdrop background banner blue care concept concern corona coronavirus covid19 dark design disease drawing element epidemic graphic health icon infection lineage mutant mutation omicron omikron pandemic sarscov2 shape sign spike subtype symbol text texture variant variation vector virus word sublineage xbb shows dramatic increase white disease