Vaccine Schedule: Up to 2 Years of Age

Age	Vaccine
Birth	Hepatitis B #1
1 to 2 months	Hepatitis B #2
2 months	Rotavirus #1 Diphtheria/Tetanus/Pertussis (DTaP) #1 Haemophilus influenzae type b #1 Pneumococcal #1 Polio #1
4 months	Rotavirus #2 Diphtheria/Tetanus/Pertussis (DTaP) #2 Haemophilus influenzae type b #2 Pneumococcal #2 Polio #2
6 months	Rotavirus #3 (if needed based on brand) Diphtheria/Tetanus/Pertussis (DTaP) #3 Haemophilus influenzae type b #3 (if needed based on brand) Pneumococcal #3 Influenza (2 doses 1 month apart, then 1 dose every year) COVID-19 (Number of doses depends on product, age, and previous doses.)
6 to 18 months	Hepatitis B #3 Polio #3
12 to 15 months	Measles/Mumps/Rubella #1 Chickenpox #1 Haemophilus influenzae type b #3 or #4 (depending on brand) Pneumococcal #4
12 to 23 months	Hepatitis A (2 doses 6 months apart)
15 to 18 months	Diphtheria/Tetanus/Pertussis (DTaP) #4
RSV and infants	Babies can be protected by active or passive immunity.

Resources

Reviewed by Paul A. Offit, MD, on Nov. 10, 2025