Irus salmonis secretory/excretory products and their effects on Atlantic salmon immune gene regulation. Parasite Immunol 2007, 29(4):179?89. Fast MD, Muise DM, Easy RE, Ross NW, Johnson SC: The effects of Lepeophtheirus salmonis infections on the stress response and immunological status of Atlantic salmon (Salmo salar). Fish Shellfish Immunol 2006, 21(3):228?41. Fast MD, Ross NW, Johnson SC: Prost