Tuberculosis (TB) has been a global health concern for centuries, and it remains a significant public health challenge in many parts of the world. Tuberculosis is a bacterial infection caused by Mycobacterium tuberculosis. It primarily affects the lungs, but it can also target other parts of the body, such as the kidneys, bones, and the central nervous system. Accurate and timely diagnosis of TB is crucial for effective management and control of the disease. One important tool in the fight against TB is the Interferon-Gamma Release Assay (IGRA)Test. IGRA tests, such as the QuantiFERON -TB Gold test and the T-SPOT.TB test, work by measuring the release of interferon-gamma, an immune system protein, in response to specific TB antigens. There are two primary forms of TB: 1. Active TB: This is when the bacteria are actively multiplying and causing symptoms. People with active TB may experience coughing, chest pain, fatigue, weight loss, and fever. 2. Latent TB: In this state, indiv...