A Single Amino Acid Mutation (I1012F) of the RNA Polymerase of Marine Viral Hemorrhagic Septicemia Virus Changes In Vitro Virulence to Rainbow Trout Gill Epithelial Cells
aNorwegian University of Life Sciences, Oslo, Norway;bDepartment of Animal Science, Aarhus University, Aarhus, Denmark;cNational Veterinary Institute, Section for Virology, Frederiksberg, Denmark