Angioimmunoblastic T-Cell Lymphoma (AITL) is a rare and aggressive type of nodal or soft tissue lymphoma. Nodal lymphomas are restricted to lymph nodes, and generally do not enter the blood stream, until later stages of the disease.
Hepatitis A virus is a picornavirus, a small single strand RNA virus; hepatitis B virus belongs to the hepadnavirus family of double stranded DNA viruses; hepatitis C virus is a flavivirus, a single stand RNA virus; hepatitis E, also an RNA virus, is similar to a calicivirus.uman hepatitis B virus (figure 3) is the prototype virus of the hepadnavirus family and causes serum hepatitis. HBV has a diameter of about 40nm. It infects humans and chimpanzees but there are closely related members of this family that infect other mammals and birds. HBV is a DNA virus and is enveloped.
Hepatitis B is a liver infection causedby the hepatitis B virus (HBV). This infection is spread much like HIV, the virus that causes AIDS. It is found in the blood, semen, and vaginal secretions of an infected person.