ba.1, ba.2, ba.3, ba.4, ba.5 - sars-cov-2 covid-19 coronavirus omicron variants

ba1 ba2 ba3 ba4 ba5 sarscov2 covid19 coronavirus omicron variants cell illness illustration 3d render subtype science epidemic medicine disease mutation variant microbiology colorful isolated text word label black background classification definition flu health comparison magnification threedimensional