TLR3 and infection: Furthermore, to determine whether the inhibitory effects of poly I:C on EIAV replication and infection resistance induced by EIAVFDDV13 infection in eMDM were reduced after TRL3 knockdown, the viral copy numbers of EIAVUK3 in siRNA-TLR3-transfected, siRNA-C-transfected and untransfected eMDM were analyzed after stimulation with poly I:C, and the induction of infection resistance by EIAVFDDV13 was evaluated in siRNA-TLR3-transfected eMDM.