coronavirus vaccination dose ready for immunisation. doctor with gloved hands holding a glass vial of covid-19 vaccine

biology chemical chemistry clinic clinical corona coronavirus corronavirus covid19 cure development discovery disease doctor dose drug epidemic equipment experiment facemask flu glass hospital hypodermic illness immunisation immunization infection injection lab laboratory lockdown medical medicine microbiology needle nurse outbreak pandemic pharmaceutical pharmacy physician ppe quarantine ready research sample science scientific scientist shringe sickness small swab syringe treatment vaccination vaccine vial vials viral virus