Clostridium difficile is an anaerobic Gram-positive rod that can colonise the intestines of humans and other animals. It is related to the bacterium that causes tetanus (Clostridium tetani) as well as the bacterium that causes food poisoning and occasionally gas gangrene (Clostridium perfringens). Like all Clostridia, it can form spores, which it does as a survival response […]