The present invention provides a polypeptide inducing the production of an
antibody in permucosal administration in the presence of no immunological
adjuvant, a composition containing the polypeptide, and use thereof. The
present invention solves the above object by providing a polypeptide
inserted with a cell attachment motif of a cell adhesive molecule to the
peptide which has an amino acid sequence of multiagretope type T cell
epitope at the amino terminal side of an inserted linker peptide, and an
amino acid sequence of a B cell epitope at the carboxyl terminal side of
the inserted linker peptide, a composition containing the polypeptide,
and use thereof.