what age do you do dtap vs tdap
DTaP/DTP/Td/Tdap Vaccine Information for Health Professionals. 1  Children should get 5 doses of the DTaP vaccine before age 7. 2  These are usually given at 2, 4, 6, and 15-18 months of age and 4 - 6 years of age. 3  The 4th dose may be given as early as 12 months of age.  Tdap should be given to children at 11-12 years of age.