Immunization Schedules & Vaccine Administration Flashcards

A 4-month-old presents for a well visit. Which combination of vaccines is routinely recommended at this age?

Answer: DTaP, IPV, Hib, PCV15, RV

At 4 months, the recommended vaccines include DTaP, IPV, Hib, PCV15 (or PCV20), and rotavirus (RV).

A healthcare provider is preparing to administer IM vaccines to a 6-month-old. Which site is preferred?

Answer: Anterolateral thigh

The anterolateral thigh is the preferred IM injection site for infants because the muscle mass is larger and the risk of nerve or vascular injury is lower.

When can the live attenuated influenza vaccine (LAIV) NOT be used?

Answer: In immunocompromised individuals

LAIV is contraindicated in immunocompromised individuals because it contains a live virus that could cause disease.

A parent declines the hepatitis B vaccine for their newborn. What is the recommended latest age to complete the 3-dose HepB series?

Answer: 18 months

The 3-dose HepB series should be completed by 18 months of age if not started at birth.

Which needle length is recommended for IM injection in a 2-month-old weighing 5 kg?

Answer: 1 inch

A 1-inch needle is recommended for IM injections in infants aged 1–12 months to ensure adequate muscle penetration.

At what age should the first dose of MMR vaccine routinely be given?

Answer: 12–15 months

The first dose of MMR is routinely recommended at 12–15 months of age when maternal antibody wanes sufficiently for an immune response.

A child receives varicella vaccine today. How many days must pass before administering another live vaccine (other than MMR)?

Answer: 28 days

Two live injectable vaccines not given simultaneously must be separated by at least 28 days to avoid immune interference.