TNF and COVID-19: The plasma levels of various inflammatory cytokines and chemokines such as interleukin (IL)‐1β, IL-2, IL-6, IL-7, and IL-10, tumor necrosis factor (TNF)-α, interferon (IFN)‐γ, granulocyte–macrophage colony stimulating factor (GM-CSF), chemokine C-C motif ligand (CCL)2, CCL3, and chemokine C-X-C motif ligand (CXCL)10 were elevated in COVID-19 patients.