preparing covid-19 vaccine for injection

39aph39 arm art aspirating azure blue bottle brand care clinic closeup clothing collaborate condition corona coronavirus covid-19 developed disease doctor dosis drug editorial epidemic finger glass gloves green hand health holds immunity immunization inject injection jewellery laboratory leg limb liquid medical medicament medicine nail needle nurse old order organ pandemia pandemic patient pfizer pharmacology preparing preventative prevention professional provide purple ready research s sars-cov-2 science staff stop surgical syringe treatment vaccinating vaccination vaccine vial virology virus