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J Clin Microbiol. 2010 Sep;48(9):3338-9. doi: 10.1128/JCM.02501-09. Epub 2010 Jun 30.

False-positive transcription-mediated amplification assay detection of West Nile virus in blood from a patient with viremia caused by an Usutu virus infection.

Author information

1
Department of Haematology and Oncology L. and A. Seragnoli, Unit of Clinical Microbiology, Regional Reference Centre for Microbiological Emergencies (CRREM), S. Orsola-Malpighi Hospital, University of Bologna, 9 via G. Massarenti, 40138 Bologna, Italy.

Abstract

Detection of West Nile virus (WNV) by nucleic acid amplification technology (NAAT) is used widely to screen blood and organ donations in areas where WNV is endemic. We report a false-positive result of a WNV transcription-mediated amplification assay (TMA) in a patient with viremia that was caused by Usutu virus, a mosquito-borne flavivirus.

PMID:
20592138
PMCID:
PMC2937697
DOI:
10.1128/JCM.02501-09
[Indexed for MEDLINE]
Free PMC Article
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