i did a search, and i still have some questions....the way our instructor explained it was...clostridium difficle is natural in the bowel and overgrows in the presence of anti-biotic therapy, chronic illness, ect. so, is it really contagious? as in, should their roomate be worried if they are not immunocompromised? or is it that it's contagious because it's so messy that it gets everywhere? some clarification would be nice....thanks