Figure 3. Distribution of cytokines in the dead, poor or worse and recovery groups with COVID-19. (A–D) The IL-2, IFN-γ, IL-6 and IL-10 levels were significantly higher in death group than those in recovery, and poor or worse group. (E–G) No significant difference in IL-4, TNF-α and IL-17a among three groups. NS: not significant.