â¢ Peptides are short linear chains of amino acids, whereas proteins are very long chains of amino acids. â¢ Several amino acids are linked together to form a peptide by peptide bonds, while several peptides are linked together to form protein molecules.
Mechanism of Action. Hiberix is a non-infectious vaccine used to prevent Haemophilus influenzae type b (Hib) infection in children. The vaccine works by causing the body to produce its own protection (antibodies) against the disease.
Haemophilus influenzae type b (Hib) conjugate vaccine footnotes have been condensed, and use of Hiberix for the booster (final) dose has been clarified. Guidance for use of Hib vaccine in persons aged 5 years and older in the catch-up schedule has been updated.