Diphtheria toxoid; tetanus toxoid; Bordetella pertussis antigens: Pertussis toxoid, filamentous haemagglutinin; inactivated poliovirus: type 1 (Mahoney), type 2 (MEF-1), type 3 (Saukett); hepatitis B surface antigen; Haemophilus influenzae type b polysaccharide (polyribosylribitol phosphate) conjugated to tetanus protein.