Schedule for infants of mothers with
UNKNOWN HBsAg status
n Test mother for HBsAg in hospital ASAP.
n If mother’s test is positive, give HBIG ASAP (within 7 days
of birth).
n Give dose #1 of Hep B vaccine within 12 hrs. of birth. DO
NOT DELAY THIS DOSE waiting for the lab result.
n Dose #2 of Hep B vaccine at 1-2 mos.
n Dose #3, follow dosing schedule based on mother’s
HBsAg status.