In 2022, 657 salmon juveniles from the four watercourses Skibotnvassdraget (205.Z), Signaldalelva (204.Z), and Kitdalselva (204.8Z) in Troms og Finnmark County, and Fustavassdraget (152.Z) in Nordland county, were examined in the post-treatment surveillance programme for Gyrodactylus salaris in Norway. In addition fins from 533 Arctic char from the lakes Fustvatnet, Mjåvatnet and Ømmervatnet in Fustavassdraget were examined. G. salaris was not detected in any of the examined samples.