Mtb	Mycobacterium tuberculosis
LTBI	Latent TB infection
miR	microRNA
TLR	Toll-like receptor
PBMC	Peripheral blood mononuclear cell
NIHS	Non-infected healthy subject
AFB	Acid fast bacilli
CXR	Chest radiography
RT-PCR	Reverse transcriptase-polymerase chain reaction
ESAT6	6 kDa early secretory antigenic target
CFP10	10 kDa culture filtrate antigen
NC	Nonsense sequence normal control
ROS	Reactive oxygen species