OMP and diphtheria: Haemophilus influenzae type b (Hib)Monovalent vaccines:PedvaxHIB: Neisseria meningitidis outer membrane protein complex (Hib-OMP).ActHIB: tetanus toxoid (Hib-TT).HibTITER: the nontoxic mutant of Corynebacterium diphtheriae toxin (Hib-CRM197).proHIBiT: diphtheria toxoid (Hib-DT).