The most appropriate test to asssess 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. <p> Tuberculin test is the &;only way of estimating the prevalence of infection in a population. Positive reaction to the test : evidence of past or present infection by M.tuberculosis. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:185-186. <\p>