You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Best method to find out cases of TB in a community is:- and explain in detail?
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."