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Clinical evaluation and gross pathology. (A) Rectal temperature for control (○) and PRV-inoculated (▪) pigs measured each day out to 14 dpi; (B) body weight measured prior to necropsy for control (○) and PRV-inoculated (▪) pigs; (C) macroscopic lesion score for lungs at necropsy for control (○) and PRV-inoculated (▪) pigs. Data are expressed as means ± standard errors (n = 5). *, P < 0.05.
