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
True about hepatitis A viurs ? 
Select and explain. 
A. Causes cirrhosis, B. Helps HDV replication, C. Common cause of hepatitis in children, D. Causes chronic hepatitis
C: Common cause of hepatitis in children
Answer: C: Common cause of hepatitis in children 
Explanation: Ans. is 'c' i.e., Common cause of hepatitis in children HAV is the most common cause of hepatitis in children. HAV does not cause chronic hepatitis or cirrhosis. HBV (no HAV) helps in HDV replication.