us-abfm MCQ (SBA): C. difficile-Recurrence Risk

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EasyInfectious DiseasesC. difficile-Recurrence Riskus-abfmus-abimus-usmle-step-2

A 38-year-old with recurrent sinus infections worries about antibiotic-associated C. difficile. Which initial CDI option has the lowest recurrence risk?

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