IFNG and COVID-19: These findings are supported by the fact that high levels of EDN have been detected in the respiratory tract of patients with severe SARS‐CoV‐2 infection99, 101 but also by the correlation between the activated eosinophil phenotype in COVID‐19 patients and higher levels of soluble inflammatory markers, including CCL2, CCL7, CXCL10, IL‐18R1, and IFN‐γ.8