Dossier
Busch Family
Coverage of Busch Family in the Nexus archive.
- How pneumonia progresses to sepsis: Doctors explain after Kyle Busch's death
NASCAR driver Kyle Busch died at 41 from severe pneumonia that progressed to sepsis, according to his family's statement. The infection originated from an untreated sinus infection, leading to rapid complications including organ failure and acute respiratory distress syndrome.