This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
The pathogen causing pneumonia in patients who got exposed to rabbit is: 
Select and explain. 
A. Chlamydia psittaci, B. H. capsulatum, C. Francisella tularensis, D. Coxiella burnetii
C: Francisella tularensis
Answer: C: Francisella tularensis 
Explanation: Please note: Exposure to bats or birds H. capsulatum Exposure to birds Chlamydia psittaci Exposure to rabbits Francisella tularensis Exposure to sheep, goats, paurient cats Coxiella burnetii Ref: Harrison, E-18, P-2133