After receiving multiple adverse events reports, the FDA wrote a letter to providers urging for heightened patient monitoring. Here’s what you should know. 1. Providers reported two adverse events.

Ed DeVore and his Papa's Joy balloon. Ed DeVore is shown with his hot-air balloon, ‘Papa’s Joy.’ Balloons at last year's event. Balloons inflating at last year’s Balloons Over Vermilion in Danville.