Piscine orthoreovirus 1 (PRV-1) is the causative agent of heart and skeletal muscle inflammation (HSMI) in farmed Atlantic salmon (Salmo salar). The virus is widespread in Atlantic salmon and was present in Norway long before the first description of HSMI in 1999. Furthermore. in Canada the virus is prevalent in farmed Atlantic salmon but HSMI is not and Canadian isolates have failed ... https://www.roneverhart.com/Lucky-Shamrock-4-leaf-Clover-Buckle-With-FREE-Leather-Belt/