xbb.1.5 in the sign. coronovirus with spike proteins of a different color izing mutations.

xbb sign coronovirus spike proteins color symbolizing mutations 2019-ncov alert bars chart china concept corona coronavirus covid-19 design graph graphic hand drawn health care icon infection interest isolated kraken letter lettering lineage mutation number omicron omikron pandemic rectangle rubber sars-cov-2 seal stamp statistic subvariant symbol text type variant vector virus word xbb 1 5 sign mutations background case statistics ba 2 sub-variant