a new coronavirus subvariant xbb.1.5, nicknamed kraken, sublineage of omicron ba.2.

nickname oktopus krake xbb15 kraken subvariant 2019ncov arrow 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 sign spike subtype symbol text texture variant variation vector virus word xbb 1 5 nicknamed sublineage ba 2 shows dramatic increase disease white