IL6 and infection: Spearman’s rank correlation coefficient (rs) analysis of elevated levels of the seven circulating cytokines during AZ infection revealed that IFN-γ was strongly correlated with IL-4 (rs = 0.60, p < 0.001) and IL-10 (rs = 0.53, p < 0.001), while being moderately correlated with IL-6 (rs = 0.43, p < 0.001), CXCL10 (rs = 0.42, p < 0.001), and IL-5 (rs = 0.40, p < 0.001).