TABLE 1

Definition of AAI

Vaccine and DoseRecommended Age for Routine Immunization, moMinimum Age for Dosea, wkMinimum Acceptable Interval Between Doses, wkaAAI if Given by This Age With an Appropriate Interval From Previous Dose, d
Hepatitis B
    1Birth to 2Birth90
    21–444150
Hib
    12690
    24104150
Poliovirus
    12690
    24104150
DTP or DTaP
    12690
    24104150
    36144210
  • a Doses administered ≤4 days before the minimum acceptable age or interval between doses considered appropriate.