The schedule usually begins at birth and continues through adolescence. Key milestones include:
- Birth: Hepatitis B
- 2 months: DTaP, Hib, IPV (Polio), PCV (Pneumococcal), Rotavirus
- 4 months: DTaP, Hib, IPV, PCV, Rotavirus
- 6 months: DTaP, Hib, IPV, PCV, Rotavirus, Influenza (annual)
- 12-15 months: Hib, PCV, MMR, Varicella, Hepatitis A
- 4-6 years: DTaP, IPV, MMR, Varicella
- 11-12 years: Tdap, HPV, Meningococcal
- 16-18 years: Meningococcal booster