Phenotypic Alterations of CD8+ and CD8− CD56+ NK Cell Subsets in Moderate and Severe COVID‐19 Disease
The COVID‐19 pandemic has created a global health challenge. Severe cases are associated with immune system dysfunction, which can lead to uncontrolled inflammation. There are no published data on the specific roles of natural killer (NK)‐cell subsets and immune checkpoint (IC) molecules in disease severity. Thirty‐fiv...