Summary: Mass gatherings present unique challenges and opportunities for public health systems. Effectively managing these events ensures attendees’ safety and well-being and contributes to a lasting public health legacy by strengthening health systems and enhancing global health security. The evolution and activities of Mass Gathering Medicine are examined through the lens of an annual gathering of millions: the Hajj. By effectively addressing the health challenges associated with mass gatherings, host nations can transform these events into opportunities to strengthen health infrastructures, promote international collaboration, and leave an enduring public health legacy.
Anas Khan (Sun,) studied this question.