IFNG and tuberculosis: Positive interferon-gamma release assay (IGRA) results for Exp and HC shown in black, and negative results shown in grey. DNAm, DNA methylation; TB, TB patients; Exp, tuberculosis exposed; HC, healthy controls; MDS, multidimensional scaling; DMCs, differentially methylated CpG sites; MMD, mean methylation difference; p.ajd, adjusted p-value; IGRA, interferon-gamma release assay.