Table 1.

Components of mRNA-1273 and BNT162b2 formulations.

	mRNA-1273	BNT162b2
Nucleic acid	messenger ribonucleic acid (mRNA)	messenger ribonucleic acid (mRNA)
Lipidic components	SM-102	ALC 315
	polyethylene glycol [PEG] 2000 dimyristoyl glycerol [DMG]	2 [(polyethylene glycol)-2000]-N,N-ditetradecylacetamide
	Cholesterol	Cholesterol
	1,2-distearoyl-sn-glycero-3-phosphocholine [DSPC]	1,2-Distearoyl-sn-glycero-3-phosphocholine [DSPC]
Other components	Tromethamine, tromethamine hydrochloride, acetic acid, sodium acetate trihydrate, and sucrose	Tromethamine, tromethamine hydrochloride, and sucrose or* potassium chloride, monobasic potassium phosphate, sodium chloride, dibasic sodium phosphate dihydrate, and sucrose

^*BNT162b2 vaccine for individuals 12 years of age and older contain one of the two sets of additional ingredients.