Abstract
Background and Objective: Pulmonary tuberculosis (PTB) is a serious disease that mainly affects the lungs. The aim of this study was a screening of latent pulmonary tuberculosis (LTBI) in Kurdistan Regional-Iraq, using QuantiFERON-TB Gold Plus technique (QFT-Plus). Methodology: The study analyzed 24close contact persons (11 male and 13 female) their ages ranged from 16 to 66 years. Interferon-gamma had been measured by sandwich ELISA. Results: Our result showed diagnosis of (3\24) contacts Infected with LTBI, (1\24) contact intermediate and (20\24) normal individual persons by QFT-Plus technique. Conclusion: Our study recommends screening for LTBI in populations at increased risk (close contacts persons with active pulmonary tuberculosis patients) and QFT-Plus is important test for diagnosis of PTBI.
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