Furthermore, we inspected in‐house performed bulk RNA‐seq data of circulating neutrophils of healthy, SARS‐CoV‐2 negative, and SARS‐CoV‐2 infected individuals, and we also found MS4A3 to be increased in circulating neutrophils of COVID‐19 patients (Fig. 10C). Here, MS4A3 is linked to COVID-19.