TNF and tuberculosis: Median[IQR] levels of TNF-α was 544[172–959], 175[0–1040] and 29[0–543] pg/mL respectively for TB cases, TST+ and TST− HHC (compared to 476[117–628]pg/mL for TB cases post-PPD stimulation) and for IL-12(p40) was 643[97–1476], 141[0–436] and 125[0–301]pg/mL for TB cases, TST+ and TST− HHC respectively (compared to 261[1.9–493]pg/mL for TB cases post-PPD stimulation).