True about tuberculin test are all except:

A. Recent conversion in adult is an indication for ATT

B. INH prophylaxis is started, if the test is positive

C. No risk of developing TB, if tuberculin test is negative

D. May be false negative in immunocompromised patients

Correct Answer: No risk of developing TB, if tuberculin test is negative

Description: A negative tubercle test indicates that the person has never come in contact with tubercle bacilli. Parija SC. Textbook of Microbiology & Immunology. Elsevier Health Sciences; 2014. Page: 355

Category: Microbiology

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