In addition, tlr5, c6, c7, fgb, fgg, f3a, socs3a, adora3, ceacam1, tppp3, tuba1a, ddit4, dna2, and msh2 can also potentially be proposed as a biomarker to detect A. salmonicida lethal infection in lumpfish. Here, CEACAM1 is linked to infection.