pneumonia

老人因肺炎住院治疗，医生说是细菌感染引起的。

The elderly man was hospitalized with bacterial ___pneumonia.

医生诊断他患了肺炎，需要立即住院治疗。

The doctor diagnosed him with ___pneumonia and said he needed immediate hospitalization.

老年人患上肺炎后需要特别注意休息和营养。

Elderly people with ___pneumonia need to pay special attention to rest and nutrition.