@article{Li_2013, title={Implementation of a Mobile-Based Surveillance System in Saudi Arabia for the 2009 Hajj}, volume={5}, url={https://ojphi.org/ojs/index.php/ojphi/article/view/4459}, DOI={10.5210/ojphi.v5i1.4459}, abstractNote={This paper explored the development and implementation of the Global Positioning System/ Geographic Information System (GPS/GIS) enabled mobile-based disease surveillance system as a feasible and effective way to support and strengthen preparedness for H1N1 Influenza A during the 2009 Hajj. It demonstrates mobile computing technology can provide rapid and accurate data collection for public health decision-making during mass gatherings. The GIS-based interactive mapping tool provided a pioneering example of the power of a geographically based internet-accessible surveillance system with real-time data visualization. The technical challenges in the process of implementation and in the field were also identified.}, number={1}, journal={Online Journal of Public Health Informatics}, author={Li, Wei}, year={2013}, month={Mar.} }