xec, the newest subvariant of the sars cov-2 virus. white puzzles on a red background reveal the inscription xec and sars cov-2.

xec virus coronavirus covid sars cov2 covid19 2019ncov omicron variant illness epidemic laboratory medical medicine mutation subvariant outbreak kp33 pandemic research vaccination vaccine virology infection background concept corona crisis danger diagnosis disease doctor health care newest cov-2 virus white puzzles red reveal inscription cov-2 copy space