<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
Recent antibiotic use (any)
GI surgery
Severe underlying medical illness
Chemo
Elderly
Clostridium difficile
Viral 
Salmonella
Bacterial
Campylobacter jejuni
Campylobacter
Yersinia enterocolitica
Shigella