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Figure 4 | BMC Veterinary Research

Figure 4

From: Construction and immunogenicity of a DNA vaccine coexpressing GP3 and GP5 of genotype-I porcine reproductive and respiratory syndrome virus

Figure 4

Detection of IL-2, IL-4, IL-10 and IFN-γ secretion levels in immune serum. (A) Cytokine secretion levels in serum at 14 days post immunization (dpi); (B) cytokine secretion levels in serum at 35 dpi. * Indicates a significant (P < 0.05) difference between the groups. Data are shown as the mean ± S.D.

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