NK cells and T cells related responses were down-regulated in patients with severe, moderate and mild outcomes but not in patients with OFI.

NK cells and T cells related responses were down-regulated in patients with severe, moderate and mild outcomes but not in patients with OFI.自然杀伤细胞（natural killer cells）与T细胞的相关免疫应答在重症、中症及轻症患者中均显著下调，但在OFI患者中未观察到此现象。