IL6 and COVID-19: Multi-organ failure may be attributed to excessive production of proinflammatory cytokines—the so-called “cytokine storm” [1, 3, 7–9], and interleukin 6 (IL-6) and tumor necrosis factor α (TNF-α) are the pivotal players in cytokine storm pathogenesis and COVID-19 [9, 10].