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. 2019 Sep 25;14(9):e0222201. doi: 10.1371/journal.pone.0222201

Fig 1. Viral RNA load in nasal swabs by RT-qPCR.

Fig 1

(A) Mean of genomic equivalent copies (GEC) per mL obtained from nasal swabs from seronegative pigs (Experiment I) collected at 0, 5 and 7 dpi (B) and from nasal swabs from seropositive animals (Experiment II) collected at 0, 5, 7, 11 and 14 dpi. Group A (unvaccinated animals) is represented by grey bars and Group B (pCDNA3.1(+)-VC-4-flagellin vaccinated group) by black bars. Dpi, days post-inoculation. Dashed lines indicate the detection limit of the assays: 1.24 log10GEC/mL. Error bars indicate the mean ± SEM.