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: Microbiology
Route of administration of  Influenza vaccine 
Select and explain. 
A. Subcutaneous, B. Oral, C. Intranasal, D. Intradermal
C: Intranasal
Answer: C: Intranasal 
Explanation: Influenza vaccine is live,trivalent administered intranasally.