Test Details: Pneumonia is an infection in the lungs that can be caused by pathogens like bacteria, viruses, fungi and parasites. Pneumonia can develop when the immune system does not work properly or is overwhelmed by a pathogen. When this occurs, the lungs become inflamed, which can trigger a range of symptoms. There are many different types of pneumonia that are generally categorized based on where an infection was acquired. The BioFire PN Panel identifies 33 clinically relevant targets from sputum (including endotracheal aspirate) and bronchoalveolar lavage (including mini-BAL) samples.