Number of tuberculosis (TB) cases (all forms and bacteriologically positive (Bact+)) detected before and during the intervention in the intervention and control zones. Number of tuberculosis (TB) cases (all forms and bacteriologically positive (Bact+)) detected before and during the intervention in the intervention and control zones. The arrows denote the start of the intervention. Daniel G Datiko et al. BMJ Glob Health 2017;2:e000390 © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.