CD4 and tuberculosis: To note that, we could not include in the FDS calculation the patients without the IFN-γ- IL-2+/- TNF-α+/- CD4+ T-cell subset (TBI-IMID T0 in response to TB1: two patients, TBI-IMID T1 in response to TB1: one patient; TBI-IMID T0 in response to TB2: one patient; TBI T1 in response to TB2: one patient; active-TB T0 in response to TB2: two patients).