Answer: b. Chlamydophila pneumoniae
Explanation:
Chlamydophila pneumoniae is a species of Chlamydia. It is an obligate bacterium. It infects the humans and is responsible for the cause of disease pneumonia. This bacteria is undetected by gram staining. It is associated with the cause of symptoms like fever and shivering. It gives positive results for the cold agglutination test.
Lung diffusion is your ability to pass oxygen into the blood from the air sacs of the lungs, and pass carbon dioxide (CO2) back into the lungs from the blood.