IM 0.5 mL as single dose preferably in the anterolateral thigh or deltoid region.
Primary vaccination Individual 2-55 yr Single dose.
Childn 9-23 mth 2-dose series at least 3 mth apart.
Booster vaccination Individual 15-55 yr at continued risk for meningococcal disease Single booster dose, if at least 4 yr have elapsed since the prior dose.