<prompt> A 3 month old asymptomatic infants with HO TB exposure has taken 3 months of chemoprophylaxis of INH. what is done next?Test sputum and then decideContinue INH for 3 more monthsDo tuberculin test,then decideImmunize with BCG and stop prophylaxis  <response>: Here child is asymbtomatic. This child born to mother who has diagnosed to have TB in pregnancy. should receive INH prophylasis for 6 months. 