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Quantitation of the PRV genome in mouse tissues after footpad inoculation. At the indicated time points, PRV DNA was quantitated in mouse tissues by qRT-PCR using UL54 primers. PRV-Becker (red) and PRV-Bartha (blue) loads are expressed as PFU per mg of tissue. PRV-Becker and PRV-Bartha loads were detected only in the foot, DRGs, spinal cord, and brain (n = 10 per group). Dotted lines indicate the detection limit.
