Best method to find out cases of TB in a community is:-: (A) Chest X-ray, (B) Mantoux test, (C) Sputum smear examination, (D) Sputum culture sensitivity
Answer is C. Ans. is 'c' ie Sputum smear examination Park writes - "sputum smear examination by direct microscopy is now considered the method of choice. The reliability cheapness and ease of direct microscopic examination has made it number one case - finding method all over the world."