Additional file 1. Statistical modelling of 4 immune marker expression profiles. Statistical modelling of 4 immune marker expression profiles, type I IFN (A), Mx (B), type II IFN (C) and ÎłIP (D) in hind gut of fish infected with high virulent (dashed line and triangles) or low virulent (solid line and circles) strains measured by real-time RT-qPCR. Dotted lines indicate 95% confidence intervals.