CD4 + T cell phenotype from HIV-TB were associated with clinical data: (a) patients on HAART (+) vs. untreated patients (−) at the moment of sample collection, (b) diagnosis of pulmonary (P) or extrapulmonary (E) TB, and (c) individuals on anti-tuberculous treatment -less than two weeks- (+) vs. untreated patients (−) at the moment of sample collection. The gene discussed is CD4; the disease is tuberculosis.