• For children who have received an age-appropriate series of 7-valent PCV (PCV7), a single supplemental dose of 13-valent PCV (PCV13) is recommended for:

—— All children aged 14 through 59 months.

—— Children aged 60 through 71 months with underlying medical conditions.

• Administer PPSV at least 8 weeks after last dose of PCV to children aged 2 years or older with certain underlying medical conditions, including a cochlear implant. See MMWR 2010; 59(No. RR-11), available at http://www.cdc.gov/mmwr/pdf/rr/rr5911.pdf.

6. Inactivated poliovirus vaccine (IPV). (Minimum age: 6 weeks)

• If 4 or more doses are administered before age 4 years, an additional dose should be administered at age 4 through 6 years.

• The final dose in the series should be administered on or after the fourth birthday and at least 6 months after the previous dose.

7. Influenza vaccines. (Minimum age: 6 months for trivalent inactivated influenza vaccine [TIV]; 2 years for live, attenuated influenza vaccine [LAIV])

• For most healthy children aged 2 years and older, either LAIV or TIV may be used. However, LAIV should not be administered to some children, including (1) children with asthma, (2) children 2 through 4 years who had wheezing in the past 12 months, or (3) children who have any other underlying medical conditions that predispose them to influenza complications. For all other contraindications to use of LAIV, see MMWR 2010; 59(No. RR-8), available at http://www.cdc.gov/mmwr/pdf/rr/rr5908.pdf.

• For children aged 6 months through 8 years:

—— For the 2011–12 season, administer 2 doses (separated by at least 4 weeks) to those who did not receive at least 1 dose of the 2010–11 vaccine. Those who received at least 1 dose of the 2010–11 vaccine require 1 dose for the 2011–12 season.

—— For the 2012–13 season, follow dosing guidelines in the 2012 ACIP influenza vaccine recommendations.

8. Measles, mumps, and rubella (MMR) vaccine. (Minimum age: 12 months)

• The second dose may be administered before age 4 years, provided at least 4 weeks have elapsed since the first dose.

• Administer MMR vaccine to infants aged 6 through 11 months who are traveling internationally. These children should be revaccinated with 2 doses of MMR vaccine, the first at ages 12 through 15 months and at least 4 weeks after the previous dose, and the second at ages 4 through 6 years.

9. Varicella (VAR) vaccine. (Minimum age: 12 months)

• The second dose may be administered before age 4 years, provided at least 3 months have elapsed since the first dose.

• For children aged 12 months through 12 years, the recommended minimum interval between doses is 3 months. However, if the second dose was administered at least 4 weeks after the first dose, it can be accepted as valid.

10. Hepatitis A (HepA) vaccine. (Minimum age: 12 months)

• Administer the second (final) dose 6 to 18 months after the first.

• Unvaccinated children 24 months and older at high risk should be vaccinated.

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