us-abfm MCQ (SBA): Immunization-Pneumococcal Unknown History

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EasyInfectious DiseasesImmunization-Pneumococcal Unknown Historyus-abfmus-abimus-usmle-step-2

A 70-year-old man with prior pneumonia asks about adult pneumococcal schedule at age 70 with unknown history. Which is correct?

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