IL17A and tuberculosis: The level of IL-17A in plasma was also significantly lower in Helm+/CCs compared to Helm-/TB (p<0.01), while there was no significant difference in the plasma IL-17A between Helm-/CCs versus Helm+/CCs, Helm-/CCs versus Helm-/TB nor between Helm+/CCs versus Helm+/TB (S1 Fig).