Haemophilus influenzae b vaccine

Definition / meaning of Haemophilus influenzae b vaccine

A vaccine against serotype b of the Gram-negative bacterium H. influenzae (Hib). Hib vaccines contain polysaccharide-protein conjugate antigens that produce greater host immune responses than first-generation purified polysaccharide vaccine. These vaccines may differ with regard to use of protein carriers, polysaccharides, diluents, and preservatives.

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The Web site of the National Cancer Institute (http://www.cancer.gov/)

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