Chidawanyika, Henry, Ponesai Nyika, Joshua Katiyo, Anthony Sox, Tongai Chokuda, Kilmarx Peter, Elizabeth Gonese, Ottias Tapfumanei, and Robson Mukwiza. 2014. “Success in Revitalizing Weekly Disease Surveillance System in Zimbabwe Using Cell-Phone Mediated Data Transmission, 2009-2013”. Online Journal of Public Health Informatics 6 (1). https://doi.org/10.5210/ojphi.v6i1.5171.