This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and health, Subject name: Social & Preventive Medicine
Relapsing fever is transmitted by - 
Select and explain. 
A. Hard tick, B. Sandfly, C. Soft tick, D. Tsetse fly
C: Soft tick
Answer: C: Soft tick 
Explanation: Relapsing fever is transmitted by soft tick. Ornithodorus moubata is the soft tick that transmits relapsing fever. These ticks lack scutum. They have 5 nymphal stages. Other diseases transmitted by soft tick are KFD and Q fever. Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg