SARS‐CoV‐2 infection induces a cytokine storm (CS) leading to the release of proinflammatory cytokines, such as interleukin (IL)−6, IL‐1β, and tumor necrosis factor (TNF)‐α, which play an important role in the progression of COVID‐19, and the mechanism is mainly related to the interaction between SARS‐CoV‐2 and immune cells.26, 27. Here, IL6 is linked to COVID-19.