Tuberculosis, caused by Mycobacterium tuberculosis, remains a leading cause of mortality and morbidity worldwide, causing ~1.4 million deaths per year. Key immune components for host protection during tuberculosis include the cytokines IL-12, IL-1, and TNF-a, as well as IFN-? and CD4(+) Th1 cells. However, immune factors determining whether individuals control infection or progress to active tuberculosis are in...