Introduction: in endemic areas, despite BCG vaccination, the risk of developing tuberculosis (TB) in young children is high after exposure to adults with tuberculosis. The purpose of this study is to reduce the risk of active tuberculosis in children experiencing household exposure to adult index cases.
Methods: we conducted a cross-sectional multi-site study (April 2016- January 2019) of children aged 0 to 59 months experiencing household exposure to index cases.