593674 Disclosed is an immunogenic composition comprising (i) a meningococcal haemoglobin receptor (HmbR) antigen and (ii) one or more meningococcal antigen(s) selected from the group consisting of: factor H binding protein (fHBP); 287; Neisserial adhesion A (NadA); Neisserial surface protein A (NspA); Neisseria hia homologue (NhhA); Adhesion and penetration protein (App); 85kDa outer membrane protein (Omp85); and meningococcal lipo-oligosaccharide (LOS), and it's use in treating a Neisserial infection.