IL22 and type 2 diabetes mellitus: One month after Mtb infection, the lungs of control mice had 3.0-fold higher percentage of lineage-IL-22+ (2.61 ± 0.08 vs. 0.85 ± 0.32, p<0.01) and 2-fold higher lineage+IL-22+ (1.09 ± 0.05 vs. 0.46 ± 0.03, p<0.01) cells compared with the lungs of T2DM mice (Fig 2A and 2B).