All of the following are pyrogenic cytokines, Except-
Ans. is 'a' i.e., Interleukin 18 (IL-18) Interleukin 18 is not a pyrogenic cytokine.
Interleuken 18 (IL-18)
Interleuken 6 (IL-6)
Tumor Necrosis Factor (TNF)
Interferon a (IFN-a)