Males or non-pregnant, non-nursing females between the ages of 2-65 years
LTBI diagnosis as per Canadian TB Standards using either the Tuberculin Skin Test (TST) or the Interferon Gamma Release Assay (IGRA)
Children 2-5 years with negative TSTs who have been in close contact with a case of active TB disease recently
Able and willing to provide fully informed consent or parent/guardian able to provide consent

NCT02689089_inc_T1
Person
Males
NCT02689089_inc_T3
Person
females
NCT02689089_inc_T4
Person
ages
NCT02689089_inc_T5
Value
2-65 years
NCT02689089_inc_T6
Condition
LTBI
NCT02689089_inc_T7
Measurement
Tuberculin Skin Test
NCT02689089_inc_T8
Measurement
TST
NCT02689089_inc_T9
Measurement
Interferon Gamma Release Assay
NCT02689089_inc_T10
Measurement
IGRA
NCT02689089_inc_T11
Scope
Tuberculin Skin Test (TST) or the Interferon Gamma Release Assay (IGRA)
NCT02689089_inc_T12
Person
Children
NCT02689089_inc_T13
Person
years
NCT02689089_inc_T14
Value
2-5
NCT02689089_inc_T15
Measurement
TSTs
NCT02689089_inc_T16
Value
negative