pneumocystis

/ ˌnjuːməʊˈsɪstɪs /

noun

1. any protozoan of the genus Pneumocystis, esp P. carinii, which is a cause of pneumonia in people whose immune defences have been lowered by drugs or a disease

Example Sentences

The following year, he developed pneumocystis pneumonia—a serious infection associated with HIV and AIDS.

From The Daily Beast