Sunday AdediniDineo ThaeleMatshidiso SelloPortia MutevedziC HywinyaNonhlanhla NgwenyaNellie MyburghShabir Madhi2023-05-052023-05-05WOS****-****https://hdl.handle.net/10539/35431Approaches achievements challenges and lessons learned in setting up an urbanbased Health and Demographic Surveillance System in South Africa