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Alcohol-based hand rub is unsuitable against Clostridioides difficile because alcohol

  • A.evaporates before it can act
  • B.is neutralised by soap residues
  • C.does not kill bacterial spores
  • D.is inactivated by skin proteins

Answer: C

The organism is shed as spores, and alcohol has no useful sporicidal activity at any practical concentration. Washing with soap and water is recommended instead, because it removes the spores mechanically rather than trying to kill them.

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