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.
The prescription drug Havrix is an injectable vaccine that provides protection against the virus that causes hepatitis A. It works by exposing the body to a weakened form of the virus, which causes a specific immune system response.Havrix Â® (hepatitis A vaccine) is used to provide protection against hepatitis A.It is approved for use in individuals one year of age and older.avrix Â® (hepatitis A vaccine) is used to provide protection against hepatitis A. It is approved for use in individuals one year of age and older.