| | Conditions & Treatments | Diseases What type of blood infection killed roald dhal? Roald Dahl was not killed due to a blood infection, he died in November of 1990 at age 74 from leukemia, a type of cancer that develops in the bone marrow. Diseases - Related Articles Ovarian Dermoid Treatment Cat Scratch Fever Facts Signs & Symptoms of Thin Basement Membrane Disease How to Treat Crohn's Stalevo Side Effects Recommended Diet to Control Blood Sugar Will Etofenprox Kill Scabies?