Influenza vaccine formulated with a chitosan for immunising a host against influenza infection or for enhancing a protective IgA response and an IgG systemic immune response

摘要

A vaccine composition in the form of a kit, comprising a first container containing an antigenic preparation comprising influenza antigen or antigens; and a second container containing an effective adjuvant amount of a chitosan which is a deacetylated chitin which is at least 80% deacetylated. The antigenic preparation in the first container preferably comprises haemagglutinin and neuraminidase influenza antigens.