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
. Immunity by vaccine of yellow fever is provided for: 
Select and explain. 
A. 6 years staing from 6 days after vaccination, B. 6 years staing from 10 days after vaccination, C. 10 years staing from 6 days after vaccination, D. 10 years staing from 10 days after vaccination
D: 10 years staing from 10 days after vaccination
Answer: D: 10 years staing from 10 days after vaccination 
Explanation: 10 years staing from 10 days after vaccination