Transcriptional analysis of BALF further revealed high levels of IFN‐Υ induced protein-10 (IP‐10) and various chemokines like MCP‐1, CCL2, and CCL7 in BALF of severe COVID-19 patients, which correlated with increased infiltration of monocyte/Macrophages (Xiong et al., 2020) in their lungs. The gene discussed is CCL2; the disease is COVID-19.