Fig. 7From: Recombinant pseudorabies virus with gI/gE deletion generated by overlapping polymerase chain reaction and homologous recombination technology induces protection against the PRV variant PRV-GD2013Histological examination of brain (A1–A5), lung (B2-B5), liver (C2–C5), spleen (D2–D5), kidney (E2–E5), and lymph nodes (F2–F5) of the piglets in different groups. A1–F1 Correspond to piglets in 105 TCID50 PRV-GD2013-ΔgI/gE vaccinated groups. A2–F2 Correspond to piglets in 104 TCID50 PRV-GD2013-ΔgI/gE vaccinated groups. A3–F3 Correspond to piglets in 103 TCID50 PRV-GD2013-ΔgI/gE vaccinated groups. A4–F4 Correspond to piglets in Bartha k61 vaccinated groups. A5–F5 Correspond to piglets in unvaccinated groups. Histopathologic examination and H&E staining. Magnification, 200 ×Back to article page