Viral Hemorrhagic Septicemia Virus

Also known as: VHSV

Viral Hemorrhagic Septicemia Virus (VHS) is a rhabdovirus that causes systemic hemorrhaging in a wide range of freshwater and marine fish species. Symptoms include hemorrhaging in the eyes, skin, and muscle, exophthalmia, and lethargy. It is a reportable disease and can result in severe economic losses in aquaculture and wild fisheries. Several genotypes exist with varying host ranges and virulence.

Distribution: North America, Europe, and Asia
Hosts: Numerous freshwater and marine fish species including salmonids, perch, and pike
Detection Methods: Virus isolation in cell culture; RT-PCR
Target Tissue: Internal organs including spleen, kidney, and liver