Also known as "delta hepatitis," is a serious liver disease caused by infection with the<unk>  virus <unk> , which is an RNA virus structurally unrelated to the<unk> , B, or C viruses.<unk> , which can be acute or chronic, is uncommon in the United States.<unk>  is an incomplete virus that requires the helper function of<unk>  virus to replicate and only occurs among people who are infected with the<unk>  virus (HBV). Common symptoms include: abdominal pain, nausea, vomiting, jaundice and loss of appetite.<unk>  is transmitted through percutaneous or mucosal contact with infectious blood and can be acquired either as a coinfection with HBV or as superinfection in persons with HBV infection. There is no vaccine for<unk> , but it can be prevented in persons who are not already HBV-infected by<unk>  vaccination. Possible complications include: severe acute and chronic hepatitis, cirrhosis and hepatocellular carcinoma.
Hepatitis D
Hepatitis E
Hepatitis A
Hepatitis B
Hepatitis C
HIV AIDS
Hepatitis B vertical transmission
AIDS