Traces of ISA disease have been detected at a salmon farm operated by Norwegian producer SalMar in conjunction with Havbrukstasjonen in Tromso, Norway, according to feed producer Skretting and Stim, the Norwegian Food Safety Authority.

SalMar notified the authority on Nov. 15 following a positive test.

Anyone traveling to the area and engaging in activities related to fish farming is now under orders to show due care and attention to avoid the spread of any disease.

Under restrictions, fish cannot be moved from the site without special permission.

Should ISA be confirmed, the Norwegian Food Safety Authority will order that all the fish at the site be slaughtered.

Due to its proximity, the neighboring Mollvika site will be subject to the same restrictions. If ISA is confirmed, a restricted area will be established to combat the spread of the disease.

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