Construction of a gE-Deleted Pseudorabies Virus and Its Efficacy to the New-Emerging Variant PRV Challenge in the Form of Killed Vaccine

Figure 5

Immunochemistry staining of tonsil (a, e), lung (b, f), mesenteric lymph node (c, g), and cerebellum samples of unvaccinated (a–d) and vaccinated pigs (e–h). Original magnification ×200.

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