severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has caused a threat to
global health. The mortality rate of severely ill patients in the early stage is 32.5%. The
exacerbation of the condition and death of patients are closely associated with inflammatory
cytokine storms, which are caused by excessive activation of the immune and complement
systems as well as the coinfection of other pathogens. However, the immunological …