Emergence of community-acquired Clostridium difficile infection: the experience of a French hospital and review of the literature

•This work completes the last results of the Clostridium difficile infection.•We describe the community-acquired infection, which is not only a real danger to outpatients, but can also be much more severe than nosocomial infection.•We describe the risk factors for Clostridium difficile infection in outpatients.•We found the Clostridium Severity Index (CSI) score to be higher in community-acquired infection.•We present a literature review on community-acquired Clostridium infection.