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
All the following diseases are spread by Hard Tick except... 
Select and explain. 
A. Relapsing fever, B. KFD, C. Tularemia, D. Tick paralysis
A: Relapsing fever
Answer: A: Relapsing fever 
Explanation: Relapsing fever Vector Vector Disease (a) Soft tick * Q fever, Relapsing fever (b) Hard tick * Tick typhus * Viral encephalitis * Viral fevers * Viral hemorrhagic fever (KFD) * Tuleremia * Human babesiosis, Tick paralysis