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First external quality assurance of antibody diagnostic for SARS-new coronavirus

Identifieur interne : 005166 ( Main/Merge ); précédent : 005165; suivant : 005167

First external quality assurance of antibody diagnostic for SARS-new coronavirus

Auteurs : Matthias Niedrig [Allemagne] ; Katrin Leitmeyer [Allemagne, Suisse] ; Wilina Lim [Hong Kong] ; Malik Peiris [Hong Kong] ; John S. Mackenzie [Suisse, Australie] ; Maria Zambon [Royaume-Uni]

Source :

RBID : Pascal:05-0385590

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English descriptors

Abstract

To confirm an infection with the new coronavirus (SARS-CoV) causing the severe acute respiratory syndrome (SARS) diagnostic assays for detection of SARS-CoV specific antibody are necessary. To evaluate the diagnostic performance of laboratories an external quality assurance (EQA) study was performed in 2004. Participating laboratories (9/20) correctly detected anti-SARS antibodies in serum samples without false positive results in an immunofluorescence assay. In contrast, only 4/13 laboratories detected most of the anti-SARS antibody positive samples without false positive results using enzyme immunoassays (EIA) and/or immunoblot. The overall results clearly demonstrate that serological diagnosis of SARS-CoV remains at an early stage of development, with further technical improvements required, particularly with respect to the use of SARS specific ElAs.

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Pascal:05-0385590

Le document en format XML

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