<unk>  <unk> , also known as<unk>  jirovecii pneumonia (PJP), is a form of pneumonia that is caused by the yeast-like fungus<unk>  jirovecii.<unk>  specimens are commonly found in the lungs of healthy people although it is usually not a cause for disease. However, they are a source of opportunistic infection and can cause lung infections in people with a weak immune system or other predisposing health conditions.<unk>  is seen in people with HIV/AIDS (who account for 30-40% of<unk>  cases), those using medications that suppress the immune system, and people with cancer, autoimmune or inflammatory conditions, and chronic lung disease.
Pneumocystis pneumonia
Pneumonia alba
Tuberculosis
Allergic bronchopulmonary aspergillosis
Histoplasmosis
Fungal pneumonia
Aspergillosis
Primary pulmonary coccidioidomycosis