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Bovine Viral Diarrhea Virus Multiorgan Infection In Two White-Tailed Deer In Southeastern South Dakota, Christopher C.L. Chase, Lyle J. Braun, Pamela Leslie-Steen, Tanya Graham, Dale Miskimins, Julia F. Ridpath Jul 2008

Bovine Viral Diarrhea Virus Multiorgan Infection In Two White-Tailed Deer In Southeastern South Dakota, Christopher C.L. Chase, Lyle J. Braun, Pamela Leslie-Steen, Tanya Graham, Dale Miskimins, Julia F. Ridpath

Veterinary and Biomedical Sciences Faculty Publications

The susceptibility of wild ruminants, especially cervids, to bovine viral diarrhea virus (BVDV) has remained an enigma. Two white-tailed deer (Odocoileus virginianus) were submitted to the Animal Disease Research and Diagnostic Laboratory (ADRDL) in the fall of 2003 by the South Dakota Game Fish and Parks for chronic wasting disease (CWD) testing. Both animals were CWD negative. The animals were necropsied and histopathology, viral antigen detection, and virus isolation were performed. A noncytopathic (NCP) BVDV was isolated from the lungs and several other tissues of both animals. Formalin-fixed ear notches from both animals were positive for BVDV antigen by immunohistochemistry. …


Antibiotic-Mediated Inhibition Of Porcine Reproductive And Respiratory Syndrome Virus (Prrsv) Infection: A Novel Quinolone Function Which Potentiates The Antiviral Cytokine Response In Marc-145 Cells And Pig Macrophages, William A. Cafruny, Richard G. Duman, Raymond R. Rowland, Eric A. Nelson, Grace H. Wong Mar 2008

Antibiotic-Mediated Inhibition Of Porcine Reproductive And Respiratory Syndrome Virus (Prrsv) Infection: A Novel Quinolone Function Which Potentiates The Antiviral Cytokine Response In Marc-145 Cells And Pig Macrophages, William A. Cafruny, Richard G. Duman, Raymond R. Rowland, Eric A. Nelson, Grace H. Wong

Veterinary and Biomedical Sciences Faculty Publications

Porcine reproductive and respiratory syndrome virus (PRRSV) is an economically significant agent for which there currently are no effective treatments. Development of antiviral agents for PRRSV as well as many other viruses has been limited by toxicity of known antiviral compounds. In contrast, antibiotics for non-virus microbial infections have been widely useful, in part because of their acceptable toxicity in animals. We report here the discovery that the quinolone containing compound Plasmocin™, as well as the quinolones nalidixic acid and ciprofl oxacin, have potent anti-PRRSV activity in vitro. PRRSV replication was inhibited by these antibiotics in both cultured MARC-145 cells …