TNF and infectious meningitis: In the current study, 24 h and 10 days after meningitis, the expression of cytokines and chemokines (IL1-α, IL1-β, IL-4, IL-6, IL-7, IL-10, IL-12, IL-13, IL-17, IL-18, TNF-α, and INF-γ) was evaluated using the Multiplex assay (Tables 1 and 2).