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Filters: partyWithName: U.S. Geological Survey (X) > partyWithName: Eveline J Emmenegger (X)

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Viral hemorrhagic septicemia virus (VHSV) is an aquatic rhabdovirus causing severe disease in numerous freshwater and saltwater fish species. Initially the virus was been found to cause disease in European fish populations starting around 1938 and was first detected in North America in the late 1980s. Of the four VHSV genotypes (I, II, III, and IV), the North American subtype IVb isolates have a broad host range. To determine whether endangered pallid sturgeon Scaphirhynchus albus, are susceptible to VHSV-IVb infection, juvenile pallid sturgeon and two pallid sturgeon cell lines derived from skin and spleen tissue were tested. Detection of viable virus via a plaque assay and molecular detection of the virus results...
Spring viremia of carp virus (SVCV, species Carp sprivivirus), is considered one of the most lethal freshwater pathogens of cyprinid fish. Common carp Cyprinus carpio L. and koi C. carpio koi are the most susceptible host fish species. The virus was formally described in the 1960's after outbreaks occurred in carp species on the European continent, but there has been a global expansion of SVCV primarily in Asia and North America. Genetic typing of the SVCV isolates separates them into four genogroups correlated with geographic origin: Ia (Asia), Ib and Ic (Eastern Europe), and Id (Central Europe). In this study we compare the virulence of eight SVCV strains including representatives of each genogroup: Ia (20040741,...