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
Nakayama strain used for which vaccine ? 
Select and explain. 
A. Typhoid, B. Chicken pox, C. Japanese encephalitis, D. Yellow fever
C: Japanese encephalitis
Answer: C: Japanese encephalitis 
Explanation: Strains used for JE vaccines:-

Nakayama strain
Beijing strain