IFNG and COVID-19: Patients with novel COVID-19 show elevated serum levels of IFN-γ, TNF-α, IFN-γ-induced protein 10 (IP 10), monocyte chemo attractant protein-1 (MCP-1), macrophage inflammatory proteins (MIP) which belongs to the family of chemotactic cytokines known as chemokines, granulocyte-colony stimulating factor, granulocyte-macrophage colony-stimulating factor (GM-CSF), IL-1β, IL-2, IL-7, IL-8, IL-9, IL-17 and others [42,43].