Rating Newest Oldest. Best Answer: Scientific name is Hepatitis A Virus (HAV). Common name is Hepatitis A Virus (HAV). That's probably why you're having difficulty looking it up. just now. Report Abuse. It's just hepatitis A. If you're referring to the condition, you can call it inflammation of the liver due to hepatitis A virus (or inflammation of the liver due to HAV) and if you're referring to the virus itself, hepatitis A virus (or HAV). Try to be more specific, please.