Combination immunogenic compositions capable of eliciting protection against both RSV and B. pertussis infection and disease are disclosed. More specifically, this disclosure concerns such compositions which comprise a recombinant F protein analog of RSV, together with B. pertussis acellular (Pa) or whole cell (Pw) antigens and the use of the same, particularly in the context of neonatal and maternal immunization. Also disclosed are vaccine regimens, methods, as well as uses, and kits, of immunogenic compositions for protecting infants against disease caused by RSV and B. pertussis by maternal immunization.