The Norwegian Veterinary Institute (NVI) and the Institute of Marine Research (IMR) were in 2012 commissioned by the Norwegian Food Safety Authority to carry out a health monitoring of anadromous salmonids in Norway (salmon, Salmo salar, and sea trout , Salmo trutta). IMR was given responsibility for the seawater phase whereas NVI was given responsibility for the freshwater phase (returning brood fish). (OBS: kun engelsk)