Yes

Pneumonia is a general term, not a specific disease. There is viral pneumonia, bacterial pneumonia, and a fungal pneumonia, among others.

Pneumocystis jirovecii causes pneumonia in people with AIDS. This pathogen was formerly known as Pneumocystic carinii.

For bacterial pneumonia, there are a total of 29 different possible phyla. For fungal pneumonia, there are six different possible phyla. The specific phylum will depend upon the causative agent of the pneumonia.

In addition, there is no phylum for a viral pneumonia, nor an auto-immune or allergy-based pneumonia.

fluid accumulation in the lungs due to infection. can be bacterial, viral, or fungal in origin.