Diagnosis of TB ace to DOTS ?: (A) 1 out of 2 samples positive, (B) 2 out of 3 samples positive, (C) 3 out of 3 samples positive, (D) None
Answer is A. Ans. is 'a' i.e., 1 out of 2 samples positive o Two sputum smear samples are examined. o If any of the two samples or both the samples are positive, the diagnosis of smear-positive TB is confirmed.