MPSV4 (Menomune)	MCV4 (Menactra)
Antigenic components A, C, Y, W-135 purified polysaccharides	50 mcg each polysaccharide	4 mcg each polysaccharide conjugated to 48 mcg diphtheria toxoid protein carrier
Preparation	Lyophilized	Liquid
Preservative or adjuvant	Thimerosal 1:10,000 added as preservative to diluent in multidose vial; single dose is preservative-free.	None; only single-dose vials
Dosage and administration	0.5 mL subcutaneously	0.5 mL intramuscularly
Cost*	$103	$98
Storage	Between 2ºC and 8ºC (35ºF and 46ºF)23	Between 2ºC and 8ºC33