Elachola, Habidah, Jaffar A Al-Tawfiq, Abdulhafiz Turkestani, and Ziad A Memish. 2016. “Public Health Emergency Operations Center - A Critical Component of Mass Gatherings Management Infrastructure”. The Journal of Infection in Developing Countries 10 (08):785-90. https://doi.org/10.3855/jidc.8332.