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
All are transmitted by mosquito except: 
Select and explain. 
A. Dengue, B. Malaria, C. Relapsing fever, D. Yellow fever
C: Relapsing fever
Answer: C: Relapsing fever 
Explanation: Ans: c (Relapsing fever) Ref: Park, 19th ed, p. 635Relapsing fever is transmitted by louse and soft ticks.Malaria is transmitted by Anopheles mosquitoDengue is transmitted by Aedes mosquito as also is yellow fever.Arthropod borne diseases:Anopheles -MalariaAedes-Yellow feverDengue feverCulexJapanese encephalitisWest nile feverBancroftian filaria Chikungunya feverRift valley feverViral arthritisMansonoides-Bmgianfilariasis