Norway's Second-Largest Export Threatened By Deadly Virus
October 26, 2016 | 1 min to read
ISA is a fatal viral disease that affects salmon, and currently lacks effective treatment. Suspicions of ISA may lead to large amounts of salmon getting slaughtered to prevent the further spread of the highly contagious disease. The diseased fish develop pale gills, and may swim close to the water's surface, gulping for air. In the worst cases, mortality rates may approach 100 percent.