IL6 and COVID-19: Elevated IL-1β and IL-6 responses have been associated with disease severity (Huang et al., 2020; Liao et al., 2020; Qin et al., 2020; Ravindra et al., 2020; Zhang X. et al., 2020; Zhou et al., 2020), suggesting that IL-1β and/or IL-6 may be key drivers of pathology in severe COVID-19.