IL2 and tuberculosis: The results above implicated that ZOL/IL-2 treatment in PBMC culture remarkably expanded macaque Vγ2Vδ2 T cells, and enhanced effector capabilities of Vγ2Vδ2 T cells to produce anti-TB cytokines and to inhibit intracellular mycobacterial growth, although this effect was not formally tested with Mtb.