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Pneumococcal vaccination — ABIM Board MCQ

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HardAdult Immunization SchedulePneumococcal vaccinationABIM Board

A 64-year-old with diabetes has not received pneumococcal vaccination. He chooses PCV15 today. What should be scheduled next in the usual circumstance?

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Correct answer: D — Administer PPSV23 one year after PCV15

When PCV15 is selected for a vaccine-naive adult, it is followed by PPSV23 at least one year later in most adults. PCV20 or PCV21 are alternative single-dose pathways rather than routine additions after PCV15.

Reference: CDC: Pneumococcal Vaccine Recommendations: https://www.cdc.gov/pneumococcal/hcp/vaccine-recommendations/index.html