Enveloped RNA virus
Infection only occurs in patients with concurrent<unk> nfection (acute, chronic or carrier state), as virus requires presence of HBV for replication
Rare in developed countries, transmission similar to HBV (blood-borne)<unk> -HBV co-infection considered most severe variant of chronic viral<unk> ue to rapid progression to liver failure and HCC
Hepatitis D
Acetaminophen toxicity 
Hepatitis E
Viral hepatitis
Hepatitis A
Hepatitis B
Hepatitis C
Autoimmune hepatitis