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Moderate"A"Clostridioides difficile infection"idsa/shea focused update (2021): clostridioides difficile infection"

A 50-year-old with acute watery diarrhea after antibiotics has leukocytosis 14,500/µL and creatinine 1.0 mg/dL. After 2 days of oral vancomycin, symptoms persist. What is an evidence-based alternative?

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