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
Which of the following is Calcivirus- 
Select and explain. 
A. Hepatitis E, B. Hepatitis B, C. Hepatitis C, D. Hepatitis A
A: Hepatitis E
Answer: A: Hepatitis E 
Explanation: Hepatitis A → Picorna Viridae (Single Stranded RNA)
Hepatitis B → Hepadna Viridae (Double stranded circular DNA)*
Hepatitic C → Flavivirus (single stranded RNA)
Hepatitis D → Incomplete RNA virus (causes infection only in presence of Hepatitis B virus)
Hepatitis E → Calcivirus (Single stranded RNA