Introduction: -- P.L. Ogra, Mucosal Immunoprophylaxis. -- Principles of Mucosal Vaccination: -- J.R. McGhee, Mucosal Vaccines: From Molecular and Cellular Concepts of Mucosal Immunity to Practical Application. -- M.R. Neutra and J.-P. Kraehenbuhl, Antigen Uptake by M Cells for Effective Mucosal Vaccines. -- Mucosal Modulation for Induction of Effective Immunity: -- C.O. Elson, Cholera Toxin as a Mucosal Adjuvant. -- J.D. Clements, Unique Characteristics of Escherichia coli Heart-Labile Enterotoxin for Mucosal Immunization. -- H. Kiyono and C. Czerkinsky, Mucosal Vaccines and Oral Tolerance. -- Current and New Approaches for Mucosal Vaccine Delivery: -- R. Curtiss III, Attenuated Salmonella as Vectors for Oral Immunization. -- J. Ulmer, Current View of DNA Immunization for Mucosal Vaccines. -- S. Langermann, Recombinant BCG as Vector for Mucosal Immunity. -- C. Morrow, Recombinant Polio as Mucosal Vector. -- K. Rosenthal, Recombinant Adenovirus as Vector for Mucosal Immunity. -- R. Gilley, Current View of Microspheres as Mucosal Antigen Delivery System. -- M. Tomasi, ISCOMS, Liposomes and Oil Based Delivery Systems. -- S. Hamada and Y. Kodama, Application of Passive Immunity for Mucosal Vaccination. -- Mucosal Vaccines for Bacterial Diseases: -- M.R. Levine and M. Sztein, Human Mucosal Vaccines for Salmonella typhi Infection. -- A.A. Lindberg and T. Pal, Oral Vaccine for Shigella. -- J.J. Mekalanos, Live, Attenuated Cholera Vaccine. -- J.R. Holmgren and A.-M. Svennerholm, Oral Cholera and Enterotoxigenic E. coli Vaccines. -- P.B. Ernst and S. Czinn, Mucosal Immunity to Helicobacter pylori. -- D. Hoft, Oral BCG. -- Mucosal Vaccines for Viral Diseases: -- P.L. Ogra, Polio Viruses and Mucosal Vaccines. -- P.F. Wright, Mucosal RSV Vaccines. -- R.B. Couch, Mucosal Influenza Vaccines. -- R.B. Belshe, Mucosal Parainfluenza Vaccine. -- M. Conner, M.K. Estes, H. Greenberg, P. Offit, and H.F. Clark, Development of a Mucosal Rotaviros Vaccine. -- A.Z. Kapikian, Rotavirus Vaccines--The Clinical Experience. -- C. Miller and T. Lehner, Rectal and Vaginal Immunization for HIV/SIV. -- Site-Directed Mucsal Vaccine: -- C. Wira, Mucosal Immunity in the Female Reproductive System. -- C. Svanborg, Mucosal Immunity in the Urinary System. -- P. Montgomery and J. Whittum-Hudson, Mucosal Immunity in the Ocular System. -- S. Tamura and T. Kurata, Intranasal Immunization with Influenza Vaccine. -- R.J. Genco and R.C. Page, Mucosal Immunity for Oral Diseases. -- D.J. Lim and G. Morg, Mucosal Immunity in the Middle Ear. -- Subject Index.