<prompt> A 30 yrs old female has sputum positive TB. Her child is 3 yrs old. What is the recommended chemoprophylaxis -INH 3mgkg for 3 monthsINH 5mgkg for 3 monthsINH 3mgkg for 6 monthsINH 5 mgkg for 6 months  <response>: Ans is d i.e., INH 5 mgkg for 6 months 