,6,15, 16, 17, 18, 19 IL-6 is a multifunctional cytokine that plays a pivotal role in immune responses, inflammation, and hematopoiesis.18, 19, 20, 21 Under normal physiological conditions, IL-6 is involved in the acute-phase response to infections and tissue injuries, facilitating the activation and differentiation of B and T cells, as well as the production of acute-phase proteins by the liver. Here, IL6 is linked to infection.