The CDC operated behind the scenes during the FIFA World Cup, deploying disease surveillance, wastewater monitoring and real-time data dashboards.
https://www.foxnews.com/health/cdc-reveals-massive-behind-the-scenes-public-health-operation-kept-fifa-world-cup-fans-safe
https://www.foxnews.com/health/cdc-reveals-massive-behind-the-scenes-public-health-operation-kept-fifa-world-cup-fans-safe