Child and Adolescent Immunization Schedule by Age (Addendum updated June 27, 2024)

Recommendations for Ages 18 Years or Younger, United States, 2024

Purpose

Guide health care providers in determining recommended vaccines for each age group.

How to use the schedule

To make vaccination recommendations, healthcare providers should:

  1. Determine recommended vaccine by age (Table 1 – By Age)
  2. Determine recommended interval for catch-up vaccination (Table 2 – Catch-up)
  3. Assess need for additional recommended vaccines by medical condition or other indication (Table 3 – By Medical Indication)
  4. Review vaccine types, frequencies, intervals, and considerations for special situations (Notes)
  5. Review contraindications and precautions for vaccine types (Appendix)
  6. Review new or updated ACIP guidance (Addendum)

Birth to 15 Months

Legend

Range of recommended ages for all children Range of recommended ages
for catch-up vaccination
Range of recommended ages for certain high-risk groups Recommended vaccination can begin in this age group Recommended vaccination based on shared clinical decision-making No recommendation/
not applicable
These recommendations must be read with the notes that follow. For those who fall behind or start late, provide catch-up vaccination at the earliest opportunity as indicated by the green bars. To determine minimum intervals between doses, see the catch-up schedule (Table 2).
Vaccine and other immunizing agents Birth 1 mo 2 mos 4 mos 6 mos 9 mos 12 mos 15 mos
Respiratory syncytial virus more info icon.
(RSV-mAb [Nirsevimab])
1 dose depending on maternal RSV vaccination status, See notes 1 dose (8 through 19 months), See notes
Hepatitis B more info icon.
(HepB)
1st dose ←2nd dose→ ←3rd dose→
Rotavirus (RV) more info icon.
RV1 (2-dose series); RV5 (3-dose series)
1st dose 2nd dose See notes
Diphtheria, tetanus, & acellular pertussis more info icon.
(DTaP: <7 yrs)
1st dose 2nd dose 3rd dose ←4th dose→
Haemophilus influenzae type b more info icon.
(Hib)
1st dose 2nd dose See notes ←3rd or 4th dose,
See notes
Pneumococcal conjugate more info icon.
(PCV15, PCV20)
1st dose 2nd dose 3rd dose ←4th dose→
Inactivated poliovirus more info icon.
(IPV: <18 yrs)
1st dose 2nd dose ←3rd dose→
COVID-19 more info icon.
(1vCOV-mRNA, 1vCOV-aPS)
1 or more doses of updated (2023–2024 Formula) vaccine
(See notes)
Influenza (IIV4) more info icon. Annual vaccination 1 or 2 doses
more info icon.
Influenza (LAIV4) more info icon.
Measles, mumps, rubella more info icon.
(MMR)
See notes ←1st dose→
Varicella more info icon.
(VAR)
←1st dose→
Hepatitis A more info icon.
(HepA)
(See notes) ←2-dose series, See notes
Tetanus, diphtheria, & acellular pertussis more info icon.
(Tdap: ≥7 yrs)
Human papillomavirus more info icon.
(HPV)
Meningococcal more info icon.
(MenACWY-CRM ≥2 mos, MenACWY-TT ≥2years)
See notes
Meningococcal B more info icon.
(MenB-4C, MenB-FHbp)
Respiratory syncytial virus vaccine more info icon.
(RSV [Abrysvo])
Dengue more info icon.
(DEN4CYD: 9-16 yrs)
Mpox more info icon.

18 Months to 18 Years

Vaccine and other immunizing agents 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
Respiratory syncytial virus more info icon. (RSV-mAb [Nirsevimab]) 1 dose (8 through 19 months), See notes
Hepatitis B more info icon. (HepB) ←3rd dose→
Rotavirus more info icon. (RV) RV1 (2-dose series); RV5 (3-dose series)
Diphtheria, tetanus, & acellular pertussis more info icon. (DTaP: <7 yrs) ←4th dose→ 5th dose
Haemophilus influenzae type b more info icon. (Hib)
Pneumococcal conjugate more info icon. (PCV15, PCV20)
Inactivated poliovirus more info icon. (IPV: <18 yrs) ←3rd dose→ 4th dose See notes
COVID-19 more info icon. (1vCOV-mRNA, 1vCOV-aPS) 1 or more doses of updated (2023–2024 Formula) vaccine (See notes)
Influenza (IIV4) more info icon. Annual vaccination 1 or 2 doses Annual vaccination 1 dose only
more info icon. Influenza (LAIV4) more info icon.
Annual vaccination 1 or 2 doses
Annual vaccination 1 dose only
Measles, mumps, rubella more info icon. (MMR) 2nd dose
Varicella more info icon. (VAR) 2nd dose
Hepatitis A more info icon. (HepA) ← 2-dose series, See notes
Tetanus, diphtheria, & acellular pertussis more info icon. (Tdap: ≥7 yrs) 1 dose
Human papillomavirus more info icon. (HPV) See notes
Meningococcal more info icon. (MenACWY-CRM ≥2 mos, MenACWY-TT ≥2years) See notes 1st dose 2nd dose
Meningococcal B more info icon. (MenB-4C, MenB-FHbp) See notes
Respiratory syncytial virus vaccine more info icon. (RSV [Abrysvo]) Seasonal administration during pregnancy, See notes
Dengue more info icon. (DEN4CYD: 9-16 yrs) Seropositive in endemic dengue areas (See notes)
Mpox more info icon.
To make vaccination recommendations, healthcare providers should:
  1. Determine recommended vaccine by age (Table 1 - By Age)
  2. Determine recommended interval for catch-up vaccination (Table 2 - Catch-up)
  3. Assess need for additional recommended vaccines by medical condition or other indication (Table 3 - By Medical Indication)
  4. Review vaccine types, frequencies, intervals, and considerations for special situations (Notes)
  5. Review contraindications and precautions for vaccine types (Appendix)
  6. Review new or updated ACIP guidance (Addendum)

Additional Information

Recommended by the Advisory Committee on Immunization Practices (ACIP) and approved by the Centers for Disease Control and Prevention (CDC), American Academy of Pediatrics (AAP), American Academy of Family Physicians (AAFP), American College of Obstetricians and Gynecologists (ACOG), American College of Nurse-Midwives (ACNM), American Academy of Physician Associates (AAPA), and National Association of Pediatric Nurse Practitioners (NAPNAP).

The comprehensive summary of the ACIP recommended changes made to the child and adolescent immunization schedule can be found in the January 11, 2024 MMWR.

Report

  • Suspected cases of reportable vaccine-preventable diseases or outbreaks to your state or local health department
  • Clinically significant adverse events to the Vaccine Adverse Event Reporting System (VAERS) at www.vaers.hhs.gov or (800-822-7967)

Questions or comments
Contact www.cdc.gov/cdc-info or 800-CDC-INFO (800-232-4636), in English or Spanish, 8 a.m.–8 p.m. ET, Monday through Friday, excluding holidays.

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