NCLEX RNSG-2130 Licensure Practice Test

At 12-15 months, which vaccines are typically started?

MMR and Varicella. DTaP and Hep B. Polio only. HPV.

Correct Answer:

MMR and Varicella.

Explanation:

Starting around 12 to 15 months, two vaccines are commonly given for the first time: measles, mumps, and rubella (MMR) and varicella (chickenpox). These are live attenuated vaccines, and they’re timed to follow the earlier infancy vaccines so that immunity to these viruses can develop after the child is past one year old. The usual immune plan already includes vaccines given in the first year—DTaP, Hib, PCV, Hep B, polio (IPV), and rotavirus—with MMR and varicella introduced at this 12–15 month window. HPV isn’t started until around ages 11–12, and the polio vaccine is part of the early primary series rather than a first-time dose at this age. DTaP is typically completed in infancy with a booster around 15–18 months, not started anew at 12–15 months.

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