IL7 and COVID-19: Patients with severe COVID‐19 have higher levels of IL‐2, IL‐6, IL‐7, IL‐8, IL‐10, IP‐10, MCP1, TNF, macrophage inflammatory protein 1 alpha (MIP1A), and granulocyte‐colony stimulating factor according to some studies (G‐CSF).15, 17, 19, 20, 21, 22, 23, 24