Novel Cricket World Cup Mass Gatherings Surveillance for Event-Based Surveillance in the Caribbean Region.

Objective: To proactively identify and respond to potential health threats during mass gathering (MG) events using the regional MG Surveillance Framework across host countries for the 2024 T20 Cricket World Cup.

Designs/methods: This framework, using multiple data sources, including the MG Surveillance module, provided daily intelligence and threat analysis to host nations. Specifically, the module allowed on-the-field data entry and immediate analysis; its infrastructure featured an Alerting mechanism built upon thresholds customized for MG events.