QuantiFERON-TB Gold Plus (QFT-Plus) is a world-leading blood test for detecting latent and active tuberculosis (TB). It uses Interferon-Gamma Release Assay (IGRA) technology to provide accurate results in just one visit, unaffected by BCG vaccination. QFT-Plus measures both CD4+ and CD8+ T-cell responses, ensuring high sensitivity and specificity, making it ideal for clinical screening an