After 14 days of LS intervention, the levels of IL-1ra, IL-6, IL-10, IL-13, Eotaxin, IFN-γ, SCF and TRAIL in serum of participants with influenza infection were significantly decreased compared with Placebo group (p < 0.05 or p < 0.01) (Figure 2). Here, KITLG is linked to influenza.