"After facing pneumonia in the weeks leading up to his death, Busch developed sepsis, an extreme reaction by the immune system to an infection that can cause organ and tissue damage. Sepsis kills 350,000 adults in the United States each year—one out of every three adults who dies in a hospital had sepsis during their stay, according to the Centers for Disease Control and Prevention."
https://people.com/kyle-busch-sepsis-expert-explains-why-deadly-exclusive-11983314





