Tuberculin test denotes: (A) Previous or present sensitivity to tubercle proteins, (B) Patient is restant to tuberculosis, (C) Person is susceptible to tuberculosis, (D) Protective immune status of individual againts tuberculosis
Answer is A. A positive reaction to the tuberculin test is generally accepted as evidence of past or present infection of M.tuberculosis . Ref: PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition , Page :185