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: Dental
Which of the following disease is not transmitted by Musca domestica (Housefly) 
Select and explain. 
A. Polio, B. Yaws, C. Oroya fever, D. None of the above
C: Oroya fever
Answer: C: Oroya fever 
Explanation: None