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: Social & Preventive Medicine
Lice is not the vector for which of the following infection? 
Select and explain. 
A. Q fever, B. Relapsing fever, C. Epidemic typhus, D. Trench fever
A: Q fever
Answer: A: Q fever 
Explanation: Among the above given options, Q fever is not transmitted by lice. Q fever is transmitted by soft ticks and is caused by Coxiella burnetii. The other diseases transmitted by soft ticks are Relapsing fever and Kyasanur Forest disease (KFD). The tick infects the host by biting. Ref: Park's Textbook of Preventive and Social Medicine, 19th Edition; Pages 631 - 632; 622.