The most appropriate test to assess the prevalence of tuberculosis infection in a community is -: (A) Mass miniature radiotheraphy, (B) Sputum examination, (C) Tuberculin test, (D) Clinical examination
Answer is C. The tuberculin test is the only means of estimating the prevalence of infection in a population. Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 195