us-abim MCQ (SBA): C. difficile-First Recurrence

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ModerateInfectious DiseasesC. difficile-First Recurrenceus-abimus-usmle-step-2

A 64-year-old with a first recurrence of non-fulminant C. difficile infection presents (WBC 11,000/µL; creatinine normal). Preferred therapy?

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