Fig. 6.

Inhibition of viable viral production in PK-15 cells transfected with single or multiple siRNA expression plasmids at 48 or 72 h post-CSFV infection. CCID₅₀ values were calculated by the Kärber method. CCID₅₀ are the means of three repeat titrations at the time points indicated. The viable viral production from siC-transfected cells were 10^3.92 CCID₅₀/mL and 10^4.33 CCID₅₀/mL at 48 and 72 h post-CSFV infection, respectively. Ninety five percent confidence intervals are shown, ^∗P ⩽ 0.05, ^∗∗P ⩽ 0.01.