This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Which hepatitis virus had been called as enterovirus - 
Select and explain. 
A. HAV, B. HBV, C. HCV, D. HEV
A: HAV
Answer: A: HAV 
Explanation: HAV was originally designated as enterovirus 72 REF:<\p> ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.541