covid-19 new eris eg.5.1 variant. conceptual words 'eris eg.5.1 variant' typed on vintage typewriter

antique eg5 eg51 eris omicron variant bacteria classic closeup concept concepts conceptual corona virus coronavirus covid covid19 diagnosis document equipment infection injecting laboratory letter mechanical mutation obsolete pandemic paper precaution prevention protection retro sarscov2 strain test text treatment type typewriter vintage concern viral disease white write writer covid-19 new words 'eris variant' typed eg 5 1 variant typewriter