Fig. 1

Levels of antibodies (IgG) reactive against the rAg85B and its variants in TB patients (TB: 47 samples) and healthy subjects (CTR: 40 samples). All samples were measured in duplicate and repeated three times. The data are presented as mean values ± standard error of the mean (SEM). OD = optical density; *=p ≤ 0.05 by Student’s t-test