The Southern Cross Seafood farm is located at 18B ACS (macrozone 6), in the northern area of Aysen, near Melinka.
The outbreak was detected in a cage in the Arbolito center during routine surveillance.
Of the 362,691 salmon susceptible, 44,518 cases were reported. The affected salmon have now been destroyed.
Sernapesca has implemented restricted movements of fish from the farm and is conducting surveillance inspections on the affected area.
Sernapesca has now identified the ISA variant as HPR 7A.