A number of studies highlighted that elevation of IL-6 levels was correlated with adverse outcomes in SARS-CoV-2 infection, defined as severe COVID-19 occurrence, the requirement for mechanical ventilation, and death (Copaescu et al., 2020; Gao et al., 2020; Ruan et al., 2020; Belaid et al., 2021; Potere et al., 2021). Here, IL6 is linked to COVID-19.