Current approaches to vaccine preparation
|Title||Current approaches to vaccine preparation|
|Author(s)||J. J. Liu, Arnost Cepica|
|Journal||The Canadian Veterinary Journal. La Revue Veterinaire Canadienne|
|Abstract||Numerous conventional vaccines for animal use are currently available, and many of these vaccines have been instrumental in the control of infectious diseases of major economic importance. A vaccine has even been instrumental in global eradication of smallpox, an important human disease. However, many of the current vaccines are deficient in efficiency, potency, or safety. It has been recognized that the conventional methodologies are a limitation to further vaccine development. Introduction of monoclonal antibodies, recombinant DNA, and protein engineering techniques has facilitated a rather rapid increase in the knowledge of pathogenetic mechanisms, as well as of protective antigens at the molecular level. This knowledge provides the basis for development of a new generation of vaccines. As a rule, these vaccines contain purified immunogens, or even isolated epitopes, identified and prepared by molecular biological techniques. The efforts to find better delivery systems and better adjuvants accompany the research on vaccines.|
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