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Table 1 Epidemiological, molecular and serological features of 27 samples obtained from 22 Blood Donors with Occult Hepatitis B Infection*

From: Development of a new ultra sensitive real-time PCR assay (ultra sensitive RTQ-PCR) for the quantification of HBV-DNA

Patient ID Sample dHBV1 In-house Assay IU/mL aanti-HBc (IgM) anti-Hbs anti-HBe
Blood donor 1 1 + + 69.2 - - -
  2 + + 89.1 - +  
Blood donor 2 3 + -   - - -
Blood donor 3 4 + -   - - -
Blood donor 4 5 + + 10.2 - + -
  6 + + 40.7 - + -
Blood donor 5 7 + + 25.1    
  8 - + 97.7 - + -
Blood donor 6 9 + + 46.8 - - +
Blood donor 7 10 + + 25.1 - + +
Blood donor 8 11 + -   - - +
Blood donor 9 12 + + 47.9 - - +
Blood donor 10 13 + + 346.7 - - +
Blood donor 11 14 + + 26.9 - + -
Blood donor 12 15 - -   - - +
Blood donor 13 16 + -   - + -
Blood donor 14 17 + + 13.5 - + -
Blood donor 15 18 + + 27.5 - + -
Blood donor 16 19 - -   - - +
Blood donor 17 20 - + 15.8 - + +
  21 - -   - + +
Blood donor 18 22 + + 41.7 - - +
  23 - -   - - +
Blood donor 19 24 - + 25.1 - + +
Blood donor 20 25 + + 91.2 - - -
Blood donor 21 26 + -   - - -
Blood donor 22 27 - + 24.0 + + +
  1. 1dHBV: Procleix Ultrio discriminatory HBV test
  2. *All subjects were HBsAg(-)/HBeAg(-)/IgG-anti-HBc(+)