<prompt> Diagnosis of TB acc to DOTS?1 out of 2 samples positive2 out of 3 samples positive3 out of 3 samples positiveNone  <response>: 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 