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Relative gene expression of cytokines and chemokines in the brains of animals inoculated via intracerebral route with (A) V2 or (B) V3 strains. Both variants showed an increase of the following immune markers: IFN-γ (*** P < 0.001), CXCL10 (*** P < 0.001), TNF-α (* P < 0.05), and CCL2 (*** P < 0.001).
