Children receiving flu vaccine for the first time need a second dose 1 month later in first or second year getting the vaccine. After first or second year with 2 doses of the flu vaccine, only one dose is required annually.
6-18 months
Hep B
12 months
Hep A
MMR
PCV
Varicella
15 months
DTaP
Hib
18 months
Hep A
at least 6 months after first dose
4 years
DTaP
IPV
MMRV (Proquad)
11-12 years
HPV (Gardasil)
Meningococcal ACWY
Tdap
12-13 years
HPV (Gardasil)
2nd shot: 6 months or more after the first shot
15 years
HPV (Gardasil)
if second dose done at or after 15 yrs, 3 doses needed
16 years
Meningococcal ACWY
16-18 years
Serogroup B Meningococcal
Second dose 6 months after first dose
Customized from Immunization Schedule Text Only v 0.1 6/27/2025
