Evaluating the acceptability, feasibility, and implementation fidelity of a multipurpose mobile health (mHealth) app used for Tuberculosis (TB) contact tracing by Ward-Based Outreach Teams (WBOTs) in South Africa - Don Lawrence Mudzengi; Lindiwe Tsope; Piotr Hippner; Fezeka Mboniswa; Thapelo Mpanza; Tanyaradzwa Dube; Richard Lessells; Indira Govender; Dumile Gumede; Alison D. Grant; Katherine Fielding; Candice M. Chetty-Makkan; et al. (PLOS Global Public Health, 2026)