IL7 and COVID-19: 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.