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. 2020 Sep 16;16:342. doi: 10.1186/s12917-020-02560-8

Fig. 11.

Fig. 11

Analysis of IL-4 and IFN-γ levels in serum after pig immunization determined by indirect ELISA. a Concentration of the cytokine IL-4. b Concentration of the cytokine IFN-γ. Numbers represent the mean cytokine concentration in serum samples collected at 0, 14 and 28 DAI in each group. All analyses were performed in triplicate, and the error bars demonstrate standard deviations (SDs). ***P < 0.001, significantly different from the VP group (Bonferroni test)