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

child vaccine schedule table 2

Vaccines	18 mos	19-23 mos	2-3 yrs	4-6 yrs		7-10 yrs		11-12 yrs	13-15 yrs	16 yrs	17-18 yrs
Hepatitis B (HepB)	←3rd dose→¶	†
Rotavirus (RV) RV1 (2-dose series); RV5 (3-dose series)	•	•	•	•		•		•	•	•	•
Diphtheria, tetanus, & acellular pertussis (DTaP: <7 yrs)	←4th dose→¶	†	†	5th dose¶		•		•	•	•	•
Haemophilus influenzae type b (Hib)	†				§
Pneumococcal conjugate (PCV13)	†				§
Inactivated poliovirus (IPV: <18 yrs)	←3rd dose→¶	†		4th dose¶		†						†	•
Influenza (IIV)	Annual vaccination 1 or 2 doses¶						Annual vaccination 1 dose only¶
Influenza (LAIV4)	•	•	Annual vaccination 1 or 2 doses¶				Annual vaccination 1 dose only¶
Measles, mumps, rubella (MMR)	†			2nd dose¶		†
Varicella (VAR)	†			2nd dose¶		†
Hepatitis A (HepA)	← 2-dose series, See notes→¶		†
Tetanus, diphtheria, & acellular pertussis (Tdap: ≥7 yrs)	•	•	•	•		†		Tdap¶	§
									†
Human papillomavirus (HPV)	•	•	•	•		•	§	See notes¶	†
							* ±
Meningococcal (MenACWY-D ≥9 mos, MenACWY-CRM ≥2 mos, MenACWY-TT ≥2years)	See notes§							1st dose¶	†	2nd dose¶	†
Meningococcal B (MenB)	•	•	•	•		•	§	See notes§
						•		•	•	±
Pneumococcal polysaccharide (PPSV23)	•	•	See notes§