Table 1. Recommended Child and Adolescent Immunization Schedule for ages 18 years or younger, United States, 2021
¶ = Range of recommended ages for all children
†= Range of recommended ages for catch-up immunization
§ = Range of recommended ages for certain high-risk groups
± = Recommended based on shared clinical decision-making or *can be used in this age group
• = No recommendation/Not applicable
Birth to 15 Months
child vaccine schedule table 1
Vaccine |
Birth |
1 mo |
2 mos |
4 mos |
6 mos |
9 mos |
12 mos |
15 mos |
Hepatitis B 
(HepB) |
1st dose¶ |
←2nd dose→¶ |
† |
←3rd dose→¶ |
Rotavirus 
(RV) RV1 (2-dose series); RV5 (3-dose series) |
• |
• |
1st dose¶ |
2nd dose¶ |
See notes¶ |
• |
• |
• |
Diphtheria, tetanus, & acellular pertussis 
(DTaP: <7 yrs) |
• |
• |
1st dose¶ |
2nd dose¶ |
3rd dose¶ |
† |
←4th dose→¶ |
Haemophilus influenzae type b 
(Hib) |
• |
• |
1st dose¶ |
2nd dose¶ |
See notes¶ |
† |
←3rd or 4th dose,
See notes→¶ |
Pneumococcal conjugate 
(PCV13) |
• |
• |
1st dose¶ |
2nd dose¶ |
3rd dose¶ |
† |
←4th dose→¶ |
Inactivated poliovirus 
(IPV: <18 yrs) |
• |
• |
1st dose¶ |
2nd dose¶ |
←3rd dose→¶ |
Influenza (IIV)  |
• |
• |
• |
• |
Annual vaccination 1 or 2 doses |

Influenza (LAIV4)  |
• |
• |
• |
• |
• |
• |
• |
• |
Measles, mumps, rubella 
(MMR) |
• |
• |
• |
• |
See notes§ |
←1st dose→¶ |
Varicella 
(VAR) |
• |
• |
• |
• |
• |
• |
←1st dose→¶ |
Hepatitis A 
(HepA) |
• |
• |
• |
• |
See notes§ |
←2-dose series, See notes→¶ |
Tetanus, diphtheria, & acellular pertussis 
(Tdap: ≥7 yrs) |
• |
• |
• |
• |
• |
• |
• |
• |
Human papillomavirus 
(HPV) |
• |
• |
• |
• |
• |
• |
• |
• |
Meningococcal 
(MenACWY-D ≥9 mos, MenACWY-CRM ≥2 mos, MenACWY-TT ≥2years) |
• |
• |
See notes§ |
Meningococcal B 
(MenB) |
• |
• |
• |
• |
• |
• |
• |
• |
Pneumococcal polysaccharide 
(PPSV23) |
• |
• |
• |
• |
• |
• |
• |
• |
18 Months to 18 Years