NEW ASPECTS OF VACCINE DEVELOPMENT. Introduction. Pro-tein Subunit Vaccines and Recom-binant DNA Technology. Vaccinia Virus as a Carrier of Vaccine Antigens. Live Attenuated Salmonella Vaccines as Carriers of Antigens to the Secretory and Systemic Immune Systems. Peptide Vaccines. Idiotype Vaccines. Ad-juvants. Immunological Considera-tions. VACCINES FOR TROPICAL DISEASES. Malaria. Schistosomiasis. Leprosy. Chagas' Disease. African Trypanosomiasis. Filariasis. Leishmaniasis. PERSPECTIVE. The Role of Vaccines for the Control of Human Parasitic Diseases. The Economics of Vaccines. The Role of the World Health Organization. Index
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