BioHib® is India’s only indigenously developed Hib Vaccine, since the strain used for development was based on an Indian strain (CS-68) obtained from Christian Medical College, Vellore. BioHib® is a lyophilized vaccine consisting of purified polyribosyl-ribitol-phosphate—a capsular polysaccharide (PRP) isolated from Haemophilus influenzae Type b bacterium and covalently bound to tetanus toxoid.