SIAP, but I just saw where Boselli spent 5 days at the Mayo Clinic, including multiple days in the ICU with a serious case of the virus. I am not aware of any pre-existing conditions with Tony and 47 is not that old.
https://www.espn.com/nfl/story/_/id/28988496/tony-boselli-recalls-hospital-stay-want-die-here
https://www.espn.com/nfl/story/_/id/28988496/tony-boselli-recalls-hospital-stay-want-die-here