Final answer:
The TDaP vaccine should be given at 2 months, 6 months, 12-15 months, and 4-6 years of age.
Step-by-step explanation:
The TDaP (Tetanus, Diphtheria, Pertussis) vaccine should be given at 2 months, 6 months, 12-15 months, and 4-6 years of age.