xd. new variant of the sars-cov-2 coronavirus. subvariant of omicron. horizontal. virus and black text.

617 abstract banner biology black coat concept contagious corona coronavirus cov covid covid19 danger delta design disease epidemic flu health horizontal icon illustration immunity indian infection isolated lineage medical medicine microbiology mutation new novel omicron pandemic pathogen pneumonia quarantine research risk sars sarscov2 science spike strain subvariant symbol text vaccine variant vector viral virology virus