Analysis of the chemoprophylactic effect on close contacts of patients with active tuberculosis and positive tuberculin skin Authors: Lin, Cunzhi 1; Wang, Fangfang 1; Li, Jinfeng1; Du, Jianxin 1; Wang, Hairong2; Zhu, Xinhong 3 Objective: The current study analyzed the chemoprophylactic effect of isoniazide on close contacts of patients with active tuberculosis and positive tuberculin skin tests (TSTs). Methods: A […]