Evaluation of Nitrate Reductase Assay for Early Detection of Multi and Extensively Drug Resistance Tuberculosis in our Setup.

Objective: To evaluate the performance of nitrate reductase assay on smear positive pulmonary specimens for detection of multi and extensively drug resistant tuberculosis simultaneously.

Study Design: Cross-sectional analytical study.

Place And Duration Of Study: Microbiology Department, Armed Forces Institute of Pathology, Rawalpindi from June to December 2016.