#$%^&*AU2012261764B220160908.pdf#####ABSTRACT Various improvements to vaccines that include a serogroup C meningococcal conjugate antigen, including: (a) co-administration with acellular B.pertussis antigen; (b) coadministration with an inactivated poliovirus antigen; (c) supply in a kit together with a separate pneumococcal conjugate component, which may be in a liquid form; and (d) use in combination with a pneumococcal conjugate antigen but without an aluminium phosphate adjuvant. A kit may have: (a) a first immunogenic component that comprises an aqueous formulation of a conjugated capsular saccharide from Streptococcus pneumoniae; and (b) a second immunogenic component that comprises a conjugated capsular saccharide from Neisseria meningitidis serogroup C.