This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
Fulminant hepatitis is commonest with 
Select and explain. 
A. HAV, B. HBV, C. HCV, D. HDV Superinfection
D: HDV Superinfection
Answer: D: HDV Superinfection 
Explanation: In HDV, Fulminant viral hepatitis is 5-20%; HEV: 1-2%; HBV: 0.1-1%; HCV: 0.1%; HAV: 0.1%Reference: Harrison&;s Principles of Internal Medicine; 19th edition; Chapter 360; Acute Viral Hepatitis