- Nascar champion Kyle Busch died of pneumonia and sepsis, family says BBC
- Kyle Busch’s cause of death revealed: severe pneumonia, sepsis Yahoo Sports
- Kyle Busch died after severe pneumonia progressed into sepsis, his family says Pittsburgh Post-Gazette
- Kyle Busch, two-time NASCAR Cup Series champion, dies at age 41 NASCAR.com
- Kyle Busch’s death shattered the racing world. The story of his legacy is still being written CNN
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Nascar champion Kyle Busch died of pneumonia and sepsis, family says – BBC
