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What is A patient with cough was sputum AFB negative but chest X-ray was suggestive of TB. What should be the next step according to RNTCP? and explain in detail?
Answer- C. Nucleic acid amplification testCaridge Based Nucleic Acid Amplification Test (CB-NAAT): The CB'NAAT is known as the GeneXpeft in mostcountries other than India This is prefered first diagnostic test in children and people with TB and HIC co-infection