Fig. 2From: Recombinant pseudorabies virus with gI/gE deletion generated by overlapping polymerase chain reaction and homologous recombination technology induces protection against the PRV variant PRV-GD2013BHK-21 cells were infected with recombinant PRV. CPEs caused by PRV-GD2013-ΔgI/gE (a), PRV-GD2013-ΔgI/gE-EGFP (b), PRV-GD2013 (c), and control (d). CPEs were observed using a fluorescent microscope at two dpiBack to article page