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.
1 HBV DNA testing checks for genetic material (DNA) from the hepatitis B virus. 2  The HBV DNA tests measure how much genetic material is present.3  A high level of HBV DNA means that the virus is multiplying in your body and you are very contagious. The presence of HBV antibodies means that you have been exposed to the hepatitis B virus at some time. 2  But you could have been infected long ago and gotten better, or you may have a current infection. 3  Genetic material (DNA) of the hepatitis B virus shows that the virus is in the body.