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Institute for Vaccine Safety

Johns Hopkins Bloomberg School of Public Health

615 N. Wolfe Street

Room W5041

Baltimore, MD 21205

www.vaccinesafety.edu

 

 

Catch-up Immunization Schedule
Ages 4 Months - 6 Years

UNITED STATES • 2009

 

 Vaccine
Min Age
for Dose 1
Minimum Interval Between Doses
Doses 1 and 2 Doses 2 and 3 Doses 3 and 4 4 and 5
Birth 4 wks 8 wks
(and 16 wks after dose 1)
   
Rotavirus2 6 wks 4 wks 4 wks    
6 wks 4 wks 4 wks 6 mos 6 mos3
Haemophilus influenzae type b4 6 wks 4 wks
if age at dose 1
< 12 mos

8 wks (as final dose)
if age at dose 1 was 12-14 mos

No further doses needed
if age at dose 1 ≥ 15 mos

4 wks
if current age
< 12 mos

8 wks (as final dose)
if current age ≥ 12 mos and dose 2 was given at ≤ 15 mos

No further doses needed
if age at previous dose ≥ 15 mos

8 wks (as final dose)
this dose only necessary for ages 12 mos - 5 yrs if 3 doses were received before 12 mos
 
Pneumococcal5 6 wks 4 wks
if age at dose 1
< 12 mos

8 wks (as final dose)
if age at dose 1 was ≥ 12 mos or current age = 24-59 mos

No further doses needed
for healthy children if age at dose 1 ≥ 24 mos

4 wks
if current age
< 12 mos

8 wks (as final dose)
if current age ≥ 12 mos

No further doses needed
for healthy children if age at dose 1 ≥ 24 mos

8 wks (as final dose)
this dose only necessary for ages 1 - 5 yrs if 3 doses were received before 12 mos or for hi-risk children who received 3 doses at any age
 
6 wks 4 wks 4 wks 4 wksnote  
12 mos 4 wks      
12 mos 3 mos      
12 mos 6 mos      

 

 

Information about reporting reactions after immunization is available online at www.vaers.hhs.gov or by telephone via the 24-hour national toll-free information line 800-822-7967.  Suspected cases of vaccine-preventable diseases should be reported to the state or local health department. Additional information, including precautions and contraindications for immunization, is available from the National Center for Immunization and Respiratory Diseases at www.cdc.gov/vaccines or telephone, 800-CDC-INFO (800-232-4636).

 

1.Hepatitis B vaccine (HepB).
• Administer the 3-dose series to those who were not previously vaccinated.
• A 2-dose series of Recombivax HB® is licensed for children aged 11–15 years.

2. Rotavirus vaccine (Rota).
• The maximum age for the first dose is 14 weeks 6 days. Vaccination should not be initiated for infants aged 15 weeks or older (i.e., 15 weeks 0 days or older).
• Administer the final dose in the series by age 8 months 0 days.
• If Rotarix® was administered for the first and second doses, a third dose is not indicated.
 

3. Diphtheria and tetanus toxoids and acellular pertussis vaccine (DTaP).
• The fifth dose is not necessary if the fourth dose was administered at age 4 years or older.

4. Haemophilus influenzae type b conjugate vaccine (Hib).
• Vaccine is not generally recommended for children aged 5 years or older.
• If current age is younger than 11 months and the first 2 doses were PRP-OMP (PedvaxHIB® or ComVax® [Merck]), the third (and final) dose should be administered at age 12–15 months and at least 8 weeks after the second dose.
• If first dose was administered at age 7–11 months, administer 2 doses separated by 4 weeks plus a booster at age 12–15 months.

5. Pneumococcal conjugate vaccine (PCV).
• Administer one dose of PCV to all healthy children aged 24–59 months who have not received at least 1 dose of PCV at ≥ 12 months.
• For children aged 24 through 59 months with underlying medical conditions, administer 1 dose of PCV if 3 doses were received previously or administer 2 doses of PCV at least 8 weeks apart if fewer than 3 doses were received previously.
• Administer pneumococcal polysaccharide vaccine (PPSV) to children aged 2 years or older with certain underlying medical conditions (see MMWR 2000;49[No. RR-9]), including a cochlear implant, at least 8 weeks after the last dose of PCV.

6. Inactivated poliovirus vaccine (IPV).
• For children who received an all-IPV or all-oral poliovirus (OPV) series, a fourth dose is not necessary if third dose was administered at age 4 years or older.
• If both OPV and IPV were administered as part of a series, a total of 4 doses should be administered, regardless of the child’s current age.

7. Measles, mumps, and rubella vaccine (MMR).
• The second dose of MMR is recommended routinely at age 4–6 years.  However, the second dose may be administered before age 4, provided at least 28 days have elapsed since the first dose.
• If not previously vaccinated, administer 2 doses with at lease 28 days between the doses.

8. Varicella vaccine.
• The second dose of varicella vaccine is recommended routinely at age 4–6 years. However, the second dose may be administered before age 4, provided at least 3 months have elapsed since the first dose.
• For persons aged 12 months through 12 years, the minimum interval between doses is 3 months. However, if the second dose was administered at least 28 days after the first dose, it can be accepted as valid.
• For persons aged 13 years and older, the minimum interval between doses is 28 days.

9. Hepatitis A vaccine (HepA).
• HepA is recommended for children > age 1 year who live in areas where vaccination programs target older children. See MMWR 2006;55(No. RR-7):1–23.

10. Tetanus and diphtheria toxoids vaccine (Td) and tetanus and diphtheria toxoids and acellular pertussis vaccine (Tdap).
Doses of DTaP are counted as part of the Td/Tdap series.
• Tdap should be substituted for a single dose of Td in the catch-up series or as a booster for children aged 10 through 18 years; use Td for other doses.

11. Human papillomavirus vaccine (HPV).
• Administer the HPV vaccine series to females at age 13–18 years if not previously vaccinated.

Use recommended routine dosing intervals for series catch-up (i.e., the second and third doses should be administered at 2 and 6 months after the first dose). However, the minimum interval between the first and second doses is 4 weeks. The minimum interval between the second and third doses is 12 weeks, and the third dose should be given at least 24 weeks after the first dose.

 

 

This page was last updated on January 12, 2010