CD8A and tuberculosis: In addition, this study extends the evidence from our prior work that defined CFP10 (Rv3874), ESAT6 (Rv3875), Ag85b (Rv1886c), EsxG (Rv0287), the 19kDa protein (Rv3763), Mtb9.9 (Rv1793), as immunodominant CD8 antigens.17 Moreover, we validated the broad and strong recognition of these antigens defined in a racially diverse population in the United States in Mtb-infected individuals in TB endemic Uganda.