OIE: Troms ISA Outbreak Confirmed in Norway

OIE: Troms ISA Outbreak Confirmed in Norway

NORWAY – An outbreak of Infectious Salmon Anaemia (ISA) has now been confirmed at a Arnøy Laks salmon farm in the Troms area of Norway.


Fish Migrate to Escape Predators

Fish Migrate to Escape Predators

Each year billions of animals make annual migrations to escape adverse environmental conditions. Migration is a spectacular and important biological phenomenon, but studying what drives animals to make these arduous journeys is extremely difficult. Food and climate are classic explanations for animal migration, but the idea that animals migrate to escape predators is less well studied.

Research found that ISA Virus Spread by Red Blood Cells in the Blood Vessels

Infectious Salmon Anemia Virus (ISAV) is a virus belongs to genus Isavirus and family Orthomyxoviridae. Ms Aamelfot studied the interaction between salmon and ISAV; and provide new information on the development of ISA.

Read the article here:


More detail on sialic acid:


More detail on hemagglutinin:


Image                                           Isavirus virion (Source: ViralZone)