doctor with coronavirus vaccine bottle with the name of the fourth vaccine on the label

2019ncov 3rd 4rd 4th administer antibodies antigens booster bottle corona coronavirus cov covid covid19 development disease doctor dose doses drug form fourth generic healthcare immunity immunization industry infectious laboratory medical medication medicine mrna new omicron pharmaceutical pharmacology prevention remember report request requisition research sarscov2 shot shots strain vaccinating vaccination vaccine vaccines variant variants vial virology virus