The development of controlled release vaccines: the role of the World Health Organization / Colin R. Howard, A. John Beale and Maria Teresa Aguado -- Peptide-MHC complexes assembled following multiple pathways / Chantal Robadey and Stephane Demotz -- Antigen sampling and presentation in mucosal tissues / Jean-Pierre Kraehenbuhl, Eric Pringault and Marian R. Neutra -- Delivery systems: the long road to human vaccines / Nathalie Garcon -- The choice and mechanism of action of adjuvants / Duncan E.S. Stewart-Tull -- Liposomes as systemic and mucosal delivery vehicles / Jim Vadolas, Odilia L.C. Wijburg and Richard A. Strugnell -- Virosomes, a new liposome-like vaccine delivery system / Reinhard Gluck and Alfred Wegmann -- ISCOMs: materials, preparation, antigen delivery and immune response / Gustaaf F. Rimmelzwaan and Albertus D.M.E. Osterhaus -- Design of nanoparticles for vaccine delivery / Elias Fattal ... [et al.] -- Microencapsulation of antigens for parenteral vaccine delivery systems / Thomas Kissel ... [et al.] -- Immunological resonses with biodegradable polymer microspheres / Ying Men ... [et al.] -- Mucosal immunization with antigen-containing microparticles / Antonio J. Almeida and H. Oya Alpar -- Pre-clinical evaluation and quality control aspects of microparticulate antigen delivery systems / Dorothea Sesardic and Michael J. Corbel.