Figure 3From: Comprehensive evaluation of the safety and immunogenicity of a gene-deleted variant pseudorabies virus attenuated vaccinePathological examination of various organs of inoculated mice. Various organ tissues from the inoculated mice, including the brain, liver, heart, spleen and kidney, were collected and used for pathological examination at 4, 7, and 14Â days post-infection. The samples from the mice inoculated with virulent parental PRV GX were considered positive.Back to article page