Diagnosis of TB acc 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. 1 or 2 positives put of 2 sputum smear is considered as smear positive TB Ref: PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition pg 429