Both IL-1β and IL-6 may play a role in this process (Huang et al., 2020; Liao et al., 2020; Qin et al., 2020; Ravindra et al., 2020; Zhang et al., 2020; Zhou et al., 2020a), and cytokine-modulating therapies are now being tested in COVID-19 clinical trials. Here, IL6 is linked to COVID-19.