This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Pathology
Chronic viral hepatitis is seen with all of the following viruses, except? 
Select and explain. 
A. HBV, B. HCV, C. HDV, D. HEV
D: HEV
Answer: D: HEV 
Explanation: Chronic hepatitis is defined as symptomatic, biochemical, or serologic evidence of continuing or relapsing hepatic disease for more than 6 months. Etiology rather than the histologic pattern is the most impoant determinant of the probability of developing progressive chronic hepatitis. Chronic viral hepatitis is seen in HBV, HCV, HDV. Hepatitis A virus (HAV) infection is a self-limited disease and does not lead to chronic hepatitis or a carrier state. HAV and HEV (in immunocompetent hosts) do not cause chronic hepatitis.