As depicted in Figure 1, COVID‐19 children exhibited significantly decreased levels of IFNγ, IL‐2, TNF‐α, IL‐1α, IFNα, IFNβ, IL‐6, IL‐12, IL‐3, IL‐7, IL‐1Ra, IL‐13, IL‐10 and increased levels of IL‐1β, IL‐33, IL‐4, IL‐5, IL‐25 as compared with elderly individuals. The gene discussed is IL2; the disease is COVID-19.