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
As per immunisation schdule, Hepatitis A vaccine is recommended at: 
Select and explain. 
A. 1 year, B. 2 years, C. 5 years, D. 10 years
B: 2 years
Answer: B: 2 years 
Explanation: 2 years