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
Age group affected by Hepatitis 'A' virus ? 
Select and explain. 
A. Children, B. Adult, C. Old age, D. Any age
A: Children
Answer: A: Children 
Explanation: Ans. is 'a' i.e., children Virus Age affected . Hepatitis A Children, young adults . Hepatitis B Young adults, babies, toddlers . Hepatitis C Any age (more common in adults) . Hepatitis D Any age . Hepatitis E Young adults