IL6 and severe acute respiratory syndrome: Reports of the modifications in cytokine or chemokine behaviors in the course of the SARS-CoV infection uncovered elevated levels of traveling cytokines, like tumor necrosis factor α (TNF-α), and interleukins (IL-6 and IL-8), imparted to the unfortunate prognosis in the SARS-CoV infections (Kong et al., 2009[70]).