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large-scale survey on tuberculosis (TB) UPSC NOTE

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  Survey details: It was the first-of-its-kind cross-sectional survey in Tamil Nadu , involving over 130,000 participants. The study found ...

 

  • Survey details: It was the first-of-its-kind cross-sectional survey in Tamil Nadu, involving over 130,000 participants.

  • The study found that chest X-rays were crucial for detecting TB, especially in asymptomatic individuals (without symptoms). 

  • Nearly 40% of confirmed TB cases had no symptoms and would have been missed without X-rays.

  • The traditional method, smear microscopy, missed a significant portion (almost 50%) of TB cases compared to a more advanced test (CBNAAT)

  • The authors recommend increased use of molecular tests like CBNAAT for better accuracy.

  • The authors advocate for using chest X-rays alongside improved diagnostic tests like CBNAAT for earlier detection and breaking the transmission chain. 

  • This approach could significantly improve the yield of active case finding efforts in India.

  • Overall, the study emphasizes the importance of chest X-rays and advanced diagnostic methods for effectively controlling TB, particularly by identifying subclinical cases that would otherwise be missed.

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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: large-scale survey on tuberculosis (TB) UPSC NOTE
large-scale survey on tuberculosis (TB) UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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