Vaccine compositions for intranasal administration comprising chitosan and use thereof

摘要

A vaccine composition adapted for intranasal administration, which composition comprises antigen and an effective adjuvant amount of a chitosan, with the proviso that said antigen is not an influenza virus antigen. Also disclosed is the use of an antigen and chitosan in the manufacture of a medicament for enhancing the immune response of a patient in need thereof, with the proviso that said antigen is not an influenza virus antigen.