persistent infection的用法和樣例：
例句
- The infection may also be persistent in immunocompromised children.
在免疫缺陷的患兒可發生持續感染。 - He should not be contagious after appropriate antibiotic treatment, and the prolonged cough should not be considered an indicator of persistent infection.
適當的抗菌素治療后他不應被接觸傳染，咳嗽延長不應認為持續感染的指針。
