Li et al.’s work (3rd) on developing a new intelligent system for the diagnosis of TP had an increasing number of LCS over time (Li et al., 2018), while Jurado et al.’s work (9th) on the expression of IL-17 and interferon-gamma (INF-γ) in patients with active TB showed an opposite trend (Jurado et al., 2012). This evidence concerns the gene IL17A and tuberculosis.