International collaborative study proposal for the characterization of occult hepatitis B virus infection identified by nucleic acid or anti-HBc screening.

The International Society of Blood Transfusion (ISBT) transfusion-transmitted infections (TTI) working party is proposing to undertake an international collaborative study aimed at understanding occult hepatitis B infection by molecular and immunological characterization, determining infectivity by transfusion and clinical relevance of this newly identified condition. This article provides information to the transfusion community and aims to recruit potential collaborators for the study. Further information can be obtained from the author or the ISBT TTI working group website ( ). [ABSTRACT FROM AUTHOR]

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