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Clinical evaluation of pigs following pseudorabies virus wild-type (PRV wt) or PRVtmv+ vaccine virus infection. (A) PRV wt-infected pig showing bilateral nasal discharge and tear staining on 3 dpi. (B) Unilateral corneal ulcer and descemetocele on the right eye of PRV wt-infected group on 7 dpi. (C) PRVtmv+-infected pigs were healthy without any clinical signs until euthanasia; shown is a pig on 3 dpi.
