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  • Title: Genetically engineered viral hemorrhagic septicemia virus (VHSV) vaccines.
    Author: Kim MS, Kim KH.
    Journal: Fish Shellfish Immunol; 2019 Dec; 95():11-15. PubMed ID: 31622675.
    Abstract:
    Viral hemorrhagic septicemia virus (VHSV) has been one of the major causes of mortality in a wide range of freshwater and marine fishes worldwide. Although various types of vaccines have been tried to prevent VHSV disease in cultured fishes, there are still no commercial vaccines. Reverse genetics have made it possible to change a certain regions on viral genome in accordance with the requirements of a research. Various types of VHSV mutants have been generated through the reverse genetic method, and most of them were recovered to investigate the virulence mechanisms of VHSV. In the reverse genetically generated VHSV mutants-based vaccines, high protective efficacies of attenuated VHSVs and single-cycle VHSV particles have been reported. Furthermore, the application of VHSV for the delivery tools of heterologous antigens including not only fish pathogens but also mammalian pathogens has been studied. As not much research has been conducted on VHSV mutants-based vaccines, more studies on the enhancement of immunogenicity, vaccine administration routes, safety to environments are needed for the practical use in aquaculture farms.
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