Gene expe used for getting diagnosis of TB in ?: (A) 1-2 hrs, (B) 5 hrs., (C) 10 hrs., (D) 20 hrs.
Answer is A. Ans. is 'a' i.e., 1-2 hrs. Results are obtained from unprocessed sputum samples in 90 minutes, with minimal biohazard and very little technical traning required to operate.