Social & Preventive Medicine Which of the following is true about tuberculin test? A It gives the immune status of patient B It tells about prior exposure to Mycobacterium tuberculosis only C It may be negative in dissociated tuberculosis D It is highly positive in a post measles case 💡 Explanation Which of the following is true about tuberculin test? ✓ Correct Answer: C. It may be negative in dissociated tuberculosis