An open-source digital contact tracing system tailored to haulage. - Adrian Muwonge; Bryan A. Wee; Ibrahimm Mugerwa; Emma Nabunya; Christine M. Mpyangu; Barend M. de C. Bronsvoort; Emmanuel Ssebaggala; Aggelos Kiayias; Erisa Mwaka; Moses Joloba (Frontiers Digit. Health, 2023)