flirt is a family of covid-19 variants characterized by increased transmissibility and potential immune evasion.

family red background 2019ncov arrow backdrop banner care concept concern corona coronavirus covid19 dark blue design disease drawing element epidemic flirt graphic health icon infection jn11112 kp2 lineage mutant mutation omicron omikron pandemic sarscov2 shape sign spike subtype symbol text texture variant variation vector virus word f456l r346t