IL6 and viral infectious disease: The elevation of CSF pro‐inflammatory cytokine IL‐6, TNF, and IFN‐γ and anti‐inflammatory cytokine IL‐10 was approved in EVM,14, 15, 16 that meant meningeal inflammation could trigger a unified pro‐ and anti‐inflammatory response in viral infections.17, 18, 19, 20 Cytokine profiling could contribute to localize the site of immune activation in viral infections.