Fig. 1. Mean normalised expression (MNE) of ISA virus RNA levels in 7 °Cwater. Ct-values obtained for ISA virus (ISAV7 assay)were normalised against the exogenous control SAV (nsP1
assay). The mean normalised expression (MNE) valueswere converted into -fold change and then Log2 transformed. The lines illustrate themean levels of the triplicates for each sample.
F = fish number. T = hours post mortem.