has role immunizes against disease immunizes against pathogen COVID-19 Severe acute respiratory syndrome coronavirus 2 RNA vaccine role Comirnaty vaccine SARS-COV-2 (COVID-19) vaccine, mRNA, spike protein, LNP, bivalent booster, preservative free, 30 mcg/0.3 mL dose, tris-sucrose formulation EUA authorized Pfizer adult bivalent booster ages 12+ yrs, original strain + omicron BA.4/BA.5. Not Authorized by WHO. Non-US Tradename for same formulation (Comirnaty Bivalent) counted toward immunity in US. Ref:https://www2a.cdc.gov/vaccines/iis/iisstandards/vaccines.asp?rpt=cvx https://www2a.cdc.gov/vaccines/iis/iisstandards/vaccines.asp?rpt=cvx A Comirnaty COVID-19 mRNA vaccine utilizes Lipid Nanoparticle-Self-amplifying RNA technology, available as a bivalent boosters against the original strain of COVID-19 as well as the Omicron BA.1 variant produced by Pfizer (PF) with a dose of 30 mcg/0.3 mL to provide enhanced protection. Yuanyi (Penny) Pan Comirnaty Oliver He vaccine https://secure.medicalletter.org/TML-article-1660c PMID:36206167