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GB virus C subtype (GBV-C) seems to share the same routes of transmission as other parenteral transmitted viruses. We have evaluated the prevalence of GBV-C in 247 patients with potential risk for GBV-C infection and in 91 healthy blood donors. The presence of GBV-C RNA was examined by polymerase chain reaction in serum samples. The 23.6% of parenteral drug users were GBV-C positive, 36.3% of them...
The clinical value of specific IgA and IgG antibody avidity to herpes simplex virus, cytomegalovirus, Epstein-Barr virus and human herpes virus 6 for the detection of active disease and primary infection, respectively, was evaluated. The IgG avidity test, with a break point of 55%, for the detection of primary infection, and of the IgA test for the detection of disease, were associated with a sensitivity...
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