<unk>  is a genus of Gram-positive bacteria
Most common cause of infectious diarrhea in hospitalized patients
Use contact isolation if suspect
Alcohol-based hand sanitizers do not reduce spores, but good hand washing does
Antibiotic exposure, particularly penicillins, cephalosporins, clindamycin, fluoroquinolones
PPIs
GI feeding tubes
Comorbidities - cancer, recent surgery, hospitalizations
Clostridium difficile 
Viral 
Salmonella
Bacterial
Campylobacter jejuni
Campylobacter
Yersinia enterocolitica
Shigella