Characterization of recombinant BVDV-2 vaccine prototypes based on packaged replicons and replication competent deletion mutants

Zemke, Johanna Marie Luise GND

Vaccination against Bovine Viral Diarrhea Virus plays a major role in the obligatory German control program decided in 2008. Both kinds of vaccines licensed today for the use in cattle have disadvantages: MLV vaccines concerning their safety and killed vaccines concerning efficacy. In the presented work, virus generated by transfection of conventional bovine cell lines with RNA derived from a new BVDV-2 full-length clone (Mischkale et al., 2009) was used to infect cattle. Its effects compared to the wild type strain were investigated. Further, two mutants derived from this BVDV-2 full-length cDNA clone were tested in a vaccination-challenge trial in cattle following two approaches of attenuation (pseudovirions and deletion of the Npro protein). Their safety and efficacy as vaccine candidates were investigated.

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Zemke, Johanna Marie Luise: Characterization of recombinant BVDV-2 vaccine prototypes based on packaged replicons and replication competent deletion mutants. Ludwig-Maximilians-Universität München, Tierärztliche Fakultät 2010.

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