Nascar champion Kyle Busch died of pneumonia and sepsis, family says

The driver died aged 41 on Thursday after "overwhelming complications" from the illnesses.

Following Kyle Busch's death, doctors explain how pneumonia can progress to sepsis, leading to life-threatening complications.

Kyle Busch, a two-time NASCAR champion, died at 41 after severe pneumonia progressed into sepsis, according to his family's statement.

Kyle Busch, a two-time NASCAR champion, died at 41 on Thursday after severe pneumonia progressed into sepsis, according to his family's statement.

The family of NASCAR star Kyle Busch revealed that he died from severe pneumonia that led to sepsis, resulting in rapid complications.

Kyle Busch, the NASCAR legend, died from severe pneumonia that progressed into sepsis, according to a statement from his family.