Vaccination recommendations below are derived from the US Centers for Disease Control and Prevention.[1, 2]
Diphtheria, tetanus, pertussis vaccine (DTaP)
Minimum age: 7 years
4 doses
Dose 1 to dose 2: 4-week interval
Dose 2 to dose 3: 4-week interval if dose 1 administered before first birthday; 6-month interval (as final dose) if dose 1 administered at or after first birthday
Dose 3 to dose 4: 6-month interval if dose 1 administered before first birthday
See CDC recommendations for routine adolescent Tdap booster
Guidelines on Immunization from the American Academy of Pediatrics Committee on Infectious Diseases and the Advisory committee on Immunization Practices specify that if the fourth-dose DTaP vaccine was administered 4 months or more after the third dose, at an appropriate age, it can be counted as a valid dose and need not be repeated after the recommended 6-month interval between doses 3 and 4.[1, 2]
Human papillomavirus 9-valent vaccine
Minimum age: 9 yr
Routine dosing intervals recommended
Age 9 through 14 years: 2 doses 6-12 months apart
Age 15 through 45 years: 3 doses at 0, 1 to 2, and 6 months
Hepatitis A vaccine
Minimum age: 12 mo
2 doses
Dose 1 to dose 2: 6 mo
Hepatitis B vaccine
Minimum age: Birth
3 doses
Dose 1 to dose 2: 4 wk
Dose 2 to dose 3: 8 wk (16 wk after dose 1)
Inactivated poliovirus vaccine
Minimum age: 6 wk
4 doses
Dose 1 to dose 2: 4 wk
Dose 2 to dose 3: 4 wk
Dose 3 to dose 4: 4 wk
Measles, mumps, rubella vaccine
Minimum age: 12 mo
2 doses
Dose 1 to dose 2: 4 wk
Varicella vaccine
Minimum age: 12 mo
2 doses
Dose 1 to dose 2: 3 mo (age < 13 yr), 4 wk (age >13)
Pneumococcal 13-valent vaccine
Guidelines on Immunization from the American Academy of Pediatrics Committee on Infectious Diseases and the Advisory committee on Immunization Practices state to administer 1 dose of PCV13 if any incomplete schedule of 3 doses of PCV (PCV7 and/or PCV13) were received previously. Administer 2 doses of PCV13 at 8 weeks apart if unvaccinated or any incomplete schedules of fewer than 3 doses of PCV (PCV7 and/or PCV13) were received previously.[1, 2]