profound dyspnoea, higher respiratory rate, comorbid hypertension, ICU admission, hyperoxia, prolonged hypoxia, elderly patients, possibly thromboembolism and hypercoagulability, possibly NETS, higher CRP levels, lymphocytopenia, neutrophilia, eosinopenia lower baseline IFN-γ and MCP-3. This evidence concerns the gene IFNG and hypertensive disorder.