Table 1.

Exclusion criteria for participants' recruitment.

Exclusion Criteria
All participants	Having received anti-TB treatment before HIV co-infection irrespective of CD4 count TST (Tuberculin Test) in the last 3 months Immunosuppressive treatment (Prednisone > 10 mg/day or equivalent; TNF blockers; cancer chemotherapy). Inhaled corticosteroids (At least during the previous month). End Stage Renal Disease Diabetes Alcoholism (as confirmed by the attending physician) Patients with autoimmune disorders or any other immunosuppressive state (as confirmed by the attending physician) Pregnant women Unwilling to participate Being under 18 years old*.
Contacts only	Previous TB diagnosis Previous positive TST/IGRA documented Previous old healed lesion on chest radiography Recent (<3 months) vaccination with live-attenuated strains Any other active infection during the previous month IGRA result indeterminate