Medical - Vaccine Guide 2022 - 12

Table 2 Recommended Catch-up Immunization Schedule for Children and Adolescents Who Start Late or Who Are More
than 1 Month Behind, United States, 2022
The table below provides catch-up schedules and minimum intervals between doses for children whose vaccinations have been delayed. A vaccine series does not need to be restarted, regardless of the time that has
elapsed between doses. Use the section appropriate for the child's age. Always use this table in conjunction with Table 1 and the Notes that follow.
Children age 4 months through 6 years
Vaccine
Hepatitis B
Rotavirus
Diphtheria, tetanus, and
acellular pertussis
Haemophilus influenzae
type b
Minimum Age for
Dose 1
Birth
6 weeks
Maximum age for first
dose is 14 weeks, 6 days.
6 weeks
6 weeks
Minimum Interval Between Doses
Dose 1 to Dose 2
4 weeks
4 weeks
4 weeks
No further doses needed
if first dose was administered at age 15
months or older.
4 weeks
if first dose was administered before the
1st
birthday.
8 weeks (as final dose)
if first dose was administered at age
12 through 14 months.
Dose 2 to Dose 3
8 weeks and at least 16 weeks after first dose
minimum age for the final dose is 24 weeks
4 weeks
maximum age for final dose is 8 months, 0 days
4 weeks
No further doses needed
if previous dose was administered at age 15 months or older
4 weeks
if current age is younger than 12 months and first dose was administered at younger than age 7 months and at least
1 previous dose was PRP-T (ActHib®, Pentacel®, Hiberix®), Vaxelis® or unknown
8 weeks and age 12 through 59 months (as final dose)
if current age is younger than 12 months and first dose was administered at age 7 through 11 months;
OR
if current age is 12 through 59 months and first dose was administered before the 1st
administered at younger than 15 months;
OR
if both doses were PedvaxHIB® and were administered before the 1st birthday
Pneumococcal conjugate 6 weeks
No further doses needed for healthy
children if first dose was administered at
age 24 months or older
4 weeks
if first dose was administered before the
1st
birthday
8 weeks (as final dose for healthy
children)
if first dose was administered at the
1st
birthday or after
Inactivated poliovirus 6 weeks
Measles, mumps, rubella 12 months
Varicella
Hepatitis A
Meningococcal ACWY
12 months
12 months
2 months MenACWY-CRM
9 months MenACWY-D
2 years MenACWY-TT
Meningococcal ACWY Not applicable (N/A)
7 years
Tetanus, diphtheria;
tetanus, diphtheria, and
acellular pertussis
Human papillomavirus 9 years
Hepatitis A
Hepatitis B
Inactivated poliovirus
N/A
N/A
N/A
4 weeks
4 weeks
3 months
6 months
8 weeks
See Notes
Children and adolescents age 7 through 18 years
8 weeks
4 weeks
Routine dosing intervals are
recommended.
6 months
4 weeks
4 weeks
8 weeks and at least 16 weeks after first dose
6 months
A fourth dose is not necessary if the third dose was administered at age 4 years or older and at least 6 months after
the previous dose.
Measles, mumps, rubella
Varicella
Dengue
N/A
N/A
9 years
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4 weeks
3 months if younger than age 13 years.
4 weeks if age 13 years or older
6 months
6 months
12
22MS6015
A fourth dose of IPV is indicated
if all previous doses were
administered at <4 years or if the
third dose was administered <6
months after the second dose.
4 weeks
if first dose of DTaP/DT was administered before the 1st
birthday
6 months (as final dose)
if first dose of DTaP/DT or Tdap/Td was administered at or after the 1st
birthday
6 months
if first dose of DTaP/DT was
administered before the 1st
birthday
See Notes
4 weeks
if current age is <4 years
6 months (as final dose)
if current age is 4 years or older
6 months (minimum age 4
years for final dose)
No further doses needed
for healthy children if previous dose was administered at age 24 months or older
4 weeks
if current age is younger than 12 months and previous dose was administered at <7 months old
8 weeks (as final dose for healthy children)
if previous dose was administered between 7-11 months (wait until at least 12 months old);
OR
if current age is 12 months or older and at least 1 dose was administered before age 12 months
8 weeks (as final dose)
This dose only necessary
for children age 12 through
59 months who received 3 doses
before age 12 months or for
children at high risk who received
3 doses at any age.
birthday and second dose was
6 months
8 weeks (as final dose)
This dose only necessary
for children age 12 through
59 months who received 3 doses
before the 1st
birthday.
6 months
Dose 3 to Dose 4
Dose 4 to Dose 5
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