Protection enhancement strategies of potential outbreaks during Hajj.

Objective: This study aimed to assist governments and organizers of mass gathering events in reviewing existing preventive measures for disease outbreaks to inform the adoption of enhanced strategies for risk reduction and impacts on public health.

Design: A cross-sectional, quantitative, descriptive study.

Setting: This study was conducted in a mass gathering of Hajj, an annual religious event in Mecca, Saudi Arabia.