PROBLEM TO BE SOLVED: To provide immunogenic compositions and vaccines to provide suitable immune response against Clostridium difficile.SOLUTION: The invention provides an immunogenic composition comprising a polypeptide comprising a Clostridium difficile toxin A fragment and/or a Clostridium difficile toxin B fragment, and an adjuvant comprising an immunologically active saponin fraction presented in a liposome form. An vaccine for use in treatment or prevention of Clostridium difficile disease comprising the immunogenic composition and a pharmaceutically acceptable excipient is also provided.SELECTED DRAWING: Figure 1