A 2 year old child has a Mantoux test reading of 12 mm × 12 mm after 48 hours. In this case :: (A) Anti – TB drugs should be started even if x–ray chest and haemogram are normal, (B) Treatment should be started only if x–ray chest and haemogram are suggestive, (C) One should wait till overt sign of TB appear, (D) No treatment is required
Answer is A. Positive tuberculine test in 2 yrs. old child confirms T.B.