IL6 and Sepsis: Biomarkers of inflammation and sepsis investigated in foals and adult horses include lactate, soluble CD14 (sCD14), serum amyloid A, procalcitonin, C-reactive protein (CRP), haptoglobin (Hp), interleukin 1β (IL-1β), interleukin-10 (IL-10), and interleukin-6 (IL-6) (25, 48, 76–80).