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Vaccine Catch-up Schedule for Children 4 Months to 6 Years of Age
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Vaccine
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Minimum age<br>
for dose 1
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Minimum interval between doses
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Dose 1 to dose 2
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Dose 2 to dose 3
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Dose 3 to dose 4
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Dose 4 to dose 5
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Hep B<sup>a</sup>
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birth
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4 wk
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<b>8 wk</b><br>
(and = 16 wk<br>
after first dose)
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Rotavirus<sup>b</sup>
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6 wk
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4 wk
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4 wk<sup>b</sup>
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DTaP<sup>c</sup>
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6 wk
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4 wk
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4 wk
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6 mo
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6 mo<sup>c</sup>
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Hib<sup>d</sup>
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6 wk
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<b>4 wk:</b><br>
if first dose administered
<br>
at < 12 mo of age<br>
<b>8 wk (as final dose):</b><br>
if first dose administered
<br>
at 12 to 14 mo of age<br>
<b>No further doses needed:</b><br>
if first dose administered
<br>
at = 15 mo of age
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<b>4 wk<sup>d</sup>:</b><br>
if currently < 12 mo of age<br>
<b>8 wk (as final dose)</b><sup>d</sup>:<br>
if currently = 12 mo of age<br>
and second dose administered
<br>
at < 15 mo of age<br>
<b>No further doses needed:</b><br>
if previous dose administered
<br>
at = 15 mo of age
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<b>8 wk (as final dose):</b><br>
only necessary
<br>
for children 12
<br>
to 59 mo of age who received
<br>
3 doses before
<br>
12 mo of age
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Pneumococcal<sup>e</sup>
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6 wk
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<b>4 wk:</b><br>
if first dose administered at
<br>
< 12 mo of age<br>
<b>8 wk (as final dose for
<br>
healthy children):</b><br>
if first dose administered
<br>
at = 12 mo of age or
<br>
currently 24 to 59 mo of age<br>
<b>No further doses needed:</b><br>
for healthy children
<br>
if first dose administered
<br>
at = 24 mo of age
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<b>4 wk:</b><br>
if currently < 12 mo of age<br>
<b>8 wk (as final dose for
<br>
healthy children):</b><br>
if currently = 12 mo of age<br>
<b>No further doses needed:</b><br>
for healthy children<br>
if previous dose administered
<br>
at = 24 mo of age
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<b>8 wk (as final dose):</b><br>
only necessary<br>
for children 12 to 59 mo<br>
of age who received 3 doses
<br>
before 12 mo of age or for
<br>
high-risk children<br>
who received 3 doses
<br>
at any age
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<b>Catch-up Schedule for Children 7 to 18 Years of Age</b>
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IPV<sup>f</sup>
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6 wk
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4 wk
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4 wk
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4 wk<sup>f</sup>
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MMR<sup>g</sup>
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12 mo
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4 wk
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Varicella<sup>h</sup>
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12 mo
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3 mo
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