a Infants of mothers who tested seropositive for hepatitis B (HBsAg+) must receive hepatitis B immune globulin (HBIG) at or shortly after the first dose. These infants also will require a second hepatitis B vaccine dose at 1 month and a third hepatitis B vaccine injection at 6 months of age.
b Depends on previous Haemophilus influenzae type b vaccine given.
c For the fourth and fifth dose, the acellular (DTaP) pertussis vaccine may be substituted for the DTP vaccine.
d Except where public health authorities require otherwise.
SOURCE: Used with permission of the American Academy of Pediatrics. Schedule.