Table 3.

DTaP/Tdap Vaccination: Recommendations of the Advisory Committee on Immunization Practices3739

DoseAgeMinimum Interval
Routine Primary Immunization of Infants
    12 months
    24 months4 weeks
    36 months4 weeks
    415 to 18 months*6 months
    54 to 6 years
Booster dosing of adolescents:11 to 12 years
13 to 19 years
Dosing of Adults§
    All adults who expect to be in close contact with a vulnerable infant19 to 64 years
    Health care personnel19 to 64 years
  • * May be given at 12 months.

  • If 4th dose given before age 4 years.

  • Catch-up vaccination recommended if Td not received at 11 to 12 years; vaccination with Tdap encouraged for those who received Td at 11 to 12 years with a 5-year interval between Td and Tdap.

  • § A single dose of Tdap booster to replace the next scheduled dose of tetanus diphtheria vaccine.

  • ¶Infant who has not received 2 to 3 doses of DTaP.