Social & Preventive Medicine According to RNTPC, case defination on sputum examination – A 1 sample positive out of three samples B At least two samples positive out of two samples C Any of the two or both samples are positive out of two D 2 or 3 samples positive out of three 💡 Explanation According to RNTPC, case defination on sputum examination - ✓ Correct Answer: C. Any of the two or both samples are positive out of two