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Coinfection of PCV2 and PRV affects in PK-15 cells. Viral genomic copies were evaluated using real-time PCR at indicated hour post-infection. The data are presented as the means ± SD. **, p-value < 0.01; ***, p-value < 0.001; ****, p-value < 0.0001. (A) PCV2. (B) PRV.
