Antiviral RNAi has been shown to be an important host defence against DCV .
DCV encodes a viral suppressor of RNAi that sequesters double - stranded RNA to prevent antiviral RNAi targeting the virus .
Antiviral RNAi has been shown to be an important host defence against DCV , and DCV encodes a viral suppressor of RNAi that sequesters double - stranded RNA to prevent antiviral RNAi targeting the virus .