Is Clostridium difficile endemic in chronic-care facilities?
D000368:Aged; D003013:Clostridium / Q000302:isolation & purification*; D003015:Clostridium Infections / Q000453:epidemiology; D003428:Cross Infection / Q000453:epidemiology; D005260:Female; D006299:Health Services for the Aged; D006801:Humans; D008297:Male; D011446:Prospective Studies; D012189:Retrospective Studies