This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Asymptomatic infant with, Wo TB exposure, He is 3 month old and had taken 3 months of chemoprophylaxis, what is to be done next ? 
Select and explain. 
A. Test sputum and then decide, B. Continue for 3 months, C. Tuberculin test then decide, D. Immunise with BCG & stop prophylasix
B: Continue for 3 months
Answer: B: Continue for 3 months 
Explanation: Ans. is 'b' i.e., Continue for 3 month (WHO & RNTCP guideline) A child born to mother who was diagnosed to have TB in pregnancy should receive prophylaxis for 6 months, provi ded congenital TB has been ruled out. BCG vaccination can be delayed even if INH chemoprophylaxis is planned