In a video message, the actor explained his viral bronchitis diagnosis prevented him from attending the SharkCon event at Florida State University in Tampa.

Many children continue to experience respiratory symptoms up to 14 years after treatment for protracted bacterial bronchitis, according to a recent study.

Actor Richard Dreyfuss shared an update on his health from a hospital bed on July 11. The post was uploaded to the official Instagram account for Shark Con, which took place on July 12 and 13 at the Florida State Fairgrounds Expo Hall in Tampa.