Vaccination Guidelines for Children

Core Vaccination Status at Age 3

The American Academy of Pediatrics recommends that children should have completed or be current with the DTaP vaccine series, with four doses completed by age 3, with the fourth dose given between 15-18 months 3, 4
The Centers for Disease Control and Prevention recommends that children should have completed or be current with the IPV vaccine series, with three doses completed (at 2, 4, and 6-18 months), with the fourth dose due at 4-6 years 5, 6
The American Academy of Pediatrics recommends that children should have received the first dose of MMR vaccine at 12-15 months, with the second dose typically given at 4-6 years but can be administered earlier if at least 4 weeks have elapsed since the first dose 1, 2, 7
The American Academy of Pediatrics recommends that children should have received the first dose of Varicella vaccine at 12-15 months, with the second dose typically given at 4-6 years but can be given earlier with at least 3 months between doses 8, 7
The Centers for Disease Control and Prevention recommends that children should have completed the three-dose series of Hepatitis B vaccine, with doses at birth, 1-2 months, and 6-18 months 5, 6
The American Academy of Pediatrics recommends that children should have completed the Hib vaccine series by 15-18 months 3, 4
The Centers for Disease Control and Prevention recommends that children should have completed the heptavalent pneumococcal conjugate vaccine series for children aged 2-59 months 1, 2, 7

The American Academy of Pediatrics recommends that children aged 3 years should receive an annual influenza vaccine, with a 0.5 mL dose, and if this is the first time receiving influenza vaccine, two doses separated by at least 4 weeks are required 1, 2, 7

The Advisory Committee on Immunization Practices recommends that catch-up vaccination should be initiated immediately if any vaccines were missed or delayed, and the catch-up schedule should follow minimum intervals between doses as specified by ACIP guidelines 9, 8, 5

The American Academy of Pediatrics recommends that children in selected states/regions and certain high-risk groups should receive the two-dose series of Hepatitis A vaccine, with doses administered at least 6 months apart 1, 8, 2

The Centers for Disease Control and Prevention recommends that multiple vaccines can and should be administered simultaneously at separate anatomic sites when indicated, as this increases the likelihood of complete vaccination and provides timely protection 4
The American Academy of Pediatrics recommends that inactivated vaccines can be administered at any time before or after live virus vaccines without interference, and only live vaccines not given on the same day should be separated by at least 4 weeks 4