This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Which of the following is not transmitted by Ahropod - 
Select and explain. 
A. Q fever, B. Rickettsial pox, C. Rocky mountain spotted fever, D. Relapsing fever
A: Q fever
Answer: A: Q fever 
Explanation: There is no ahropod involved in Q fever. Transmission occur by inhalation of infected dust. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 276