Purified diphtheria toxoid...................................................................... .≥ 20 IU Purified tetanus toxoid........................................................................... .≥ 40 IU Purified pertussis toxoid........................................................................ .25 µg Purified pertussis filamentous haemagglutinin....................................... 25 µg Hepatitis B surface antigen..................................................................... 5.0 µg Inactivated type 1 poliovirus.................................................................. 40 D units Inactivated type 2 poliovirus.................................................................. 8 D units Inactivated type 3 poliovirus.................................................................. 32 D units Haemophilus influenzae type b conjugated to tetanus toxoid............... ..12 µg