New definitions will help, but cultures are critical for resolving unanswered questions about Clostridium difficile.
Gerding
Dale N
DN
D016360:Clostridioides difficile / Q000302:isolation & purification*; D003428:Cross Infection / Q000453:epidemiology / Q000382:microbiology; D004761:Enterocolitis, Pseudomembranous / Q000453:epidemiology* / Q000382:microbiology; D006801:Humans