The CDC has begun using Clostridioides difficile instead of Clostridium difficile to refer to the bacterium that commonly causes infectious diarrhea, raising questions about the importance of naming conventions for well-known organisms.  The change followed a decision early last year by the Clinical and Laboratory Standards Institute (CLSI) to begin calling it Clostridioides difficile, after experts resisted changing it to another name: Peptoclostridiumdifficile.

Credit: Jennifer Oosthuizen CDC

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