Shafia, S., Booy, R., Haworth, E., et al. (2008). Hajj: Health Lessons for Mass Gatherings. Journal of Infection and Public Health. 1: 27-32.
Hajj is attended by nearly 2 million people every year; the authors highlight recent Hajj-related outbreaks and share how the collaboration between health policy makers and community stakeholders leaders in the United Kingdom resulted in quick identification and reduction of the infections.