vials of covid -19 vaccine in a row with a syring.

antibody antiviral background biochemical biology bottles care china clinic contagious corona coronavirus covid covid19 covide cure disease doctor dose drug filling flu glass global gloves grey hands health healthpersonell holding hospital illness immunization infection infectious injecting injection liquid lockdown medical medicament medicine microbiology needle new normal novel nurse patient personell pharma pharmaceutically preventive professional prophylaxis pulled pulmonary research respiratory row science serological several sickness sosialdistance spread subcutan syringe theraphy treatment vaccination vaccine vial vials virology virus