b) «necrosi ematopoietica infettiva» («IHN»): malattia causata dal virus della necrosi ematopoietica infettiva (IHNV), appartenente al genere Novirhabdovirus, famiglia Rhabdoviridae;
‘infectious haematopoietic necrosis’ (‘IHN’) means a disease caused by infectious hematopoietic necrosis virus (IHNV), a virus belonging to the genus Novirhabdovirus, within the family Rhabdoviridae;