Figure 2. WBC-normalized plasma cytokine concentrations induced by stimulation of whole blood from 300 healthy subjects at 37°C for six hours with heat-killed B. pseudomallei 1026b 2.5 × 10⁶ CFU/ml, stratified by age and sex.

Boxes show the median and interquartile range; whiskers show upper and lower adjacent values; outside values are not shown for clarity.