Detection of BTV RNA in blood of immunized and non-immunized IFNAR^(−/−) mice after challenge with BTV-8 or BTV-1 by RT-qPCR_S5.

Results expressed as Ct and transferred to negative (neg.) according to the cut-off Ct≥38 described by Toussaint et al. (2007).

I, immunized mice. C, nonimmunized mice.

, death mice.