Provide the operational definition of TB infection.

Indicate the previous term Latent TB infection.

Describe how this stage in a person's life is identified.

Discuss the importance of this stage and implication for treatment. 

Define Presumptive TB and discuss the implications of identifying a case of presumptive TB

What are the Vulnerable Population for Tuberculosis

Explain who is considered as a close contact of a TB case and the operational definition in NTEP.

TB cases are classified into different types based on a set of factors such as:

1. Site of disease
2. Previous history of TB treatment
3. Resistance to anti-TB drugs
4. Basis of diagnosis

Discuss the active approach to case finding as a population level approach, with the activity outside the health facility.

Discuss advantages and disadvantages of ACF.

Discuss the different populations where active case-finding may be applied.