OLR1 and COVID-19: Interestingly, suggesting that heterogeneity also exists within the neutrophil compartment of patients with severe disease, the authors reported an increased frequency of CD123+ and LOX1+ immature neutrophils in COVID-19 ICU patients that they classified as having more severe disease (defined as a sequential organ failure assessment (SOFA) score >8) when compared to ICU patients with a SOFA score <8 (125).