Figure 6 | Scientific Reports

Figure 6

From: IgA response and protection following nasal vaccination of chickens with Newcastle disease virus DNA vaccine nanoencapsulated with Ag@SiO2 hollow nanoparticles

Figure 6

Contents of IFN-γ (A) and IL-2 (B) of SPF chickens immunized with the PBS i.m., blank Ag@SiO2-NPs i.m., plasmid pVAX I-F (o) DNA i.m., pFDNA-Ag@SiO2-NPs i.m., and pFDNA-Ag@SiO2-NPs i.n. Data are presented as the mean ± standard deviation (n = 3). “*” indicate statistically significant difference at P < 0.05; “**” indicate statistically significant difference at P < 0.01.

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