IL6 and COVID-19: Severe COVID‐19 cases often show a higher IL‐6/interferon‐γ ratio, contributing to a cytokine storm and lung injury (Wang et al., 2020), while elevated IL‐6 levels, linked to age‐related frailty and higher mortality, worsen disease severity (Avila‐Nava et al., 2021; Guirao et al., 2020).