A fatal disease的用法和样例：
- He's got land, you know; it's a fatal disease.
- My grandmother suffers from a fatal disease.
- I wonder whether it is a fatal disease.
- A fatal disease of honeybee larvae caused by one of several types of bacteria, including Bacillus alvei.
- One of the most difficult tasks for a doctor is telling a patient that he has a patient that he has a fatal disease.