IM Deep inj in deltoid region, or anterolateral region of thigh in neonates.
Adult & childn ≥10 yr 20 mcg.
Childn <10 yr & neonates 10 mcg. Dosing schedule: 2 doses at 1 mth interval, followed by 3rd dose 6 mth after 1st (0-1-6), or 3 doses all mth interval, followed by reactivation booster dose a year later (0-1-2+12).
Renal insufficiency & patients undergoing haemodialysis ≥16 yr 4 doses of 40 mcg at 0, 1, 2 & 6 mth from 1st dose.