Relapsing fever is transmitted by -: (A) Hard tick, (B) Sandfly, (C) Soft tick, (D) Tsetse fly
Answer is C. 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