IL2 and major depressive disorder: At 24 h, elevated IL-2 (p = 0.001) and lower IL-6 (p = 0.035) and IL-17a levels (p = 0.007) ass. with severe PCS at 1 week (p = 0.001).At 6 months, elevated IL-10 ass. with depression (p = 0.004) and PTSD (p = 0.001).