TT virus (TTV)--etiologic agent of acute hepatitis?
TT virus (TTV) was first isolated in 1997 from the patient with acute posttransfusion hepatitis. This fact led to the conclusion the virus was hepatotropic and could be considered as one of causative agents of acute hepatitis. However, later it was found in other human tissues and serological studies have revealed it is widespread. Multiple tropisms of TTV and the fact the virus is found in high rate of general population, are considered arguments for lack of medical significance of TTV in human pathology. Here we present a report of two cases of acute viral hepatitis in patients hospitalized at the Department of Infectious Diseases, Medical University of Lublin, in whom TTV-DNA was found in serum and serological and virological markers of common primary and secondary hepatotropic viruses were negative. The cases of acute hepatitis we present here should be treated as a preliminary report and the comment in the discussion about the real role of TTV in human pathology.
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