Fig. 2

Caspase-1 levels (pg/mL) in cell-free supernatants of healthy donor (Y1, closed symbols) and umbilical cord blood (Y2, opened symbols) groups representing the baseline, uninfected cells (circle), and the Moreau BCG vaccine in vitro infection of human mononuclear cells in 24 (square), 48 (upper triangle), and 72 h (lower triangle). Data points denote individual donors and horizontal bars represent median values in each condition. *p-value ≤0.05; **p-value ≤0.01; ***p-value ≤0.001, according to the Mann-Whitney U test