Getting More Out of Less - A Quantitative Serological Screening Tool for Simultaneous Detection of Multiple Influenza A Hemagglutinin-Types in Chickens: e108043

Current avian influenza surveillance in poultry primarily targets subtypes of interest for the veterinary sector (H5, H7). However, as virological and serological evidence suggest, surveillance of additional subtypes is important for public health as well as for the poultry industry. Therefore, we d...

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Published in:PloS one 2014-09, Vol.9 (9)
Main Authors: Freidl, Gudrun S, Bruin, Erwin de, Beek, Janko van, Reimerink, Johan, Wit, Sjaak de, Koch, Guus, Vervelde, Lonneke, Ham, Henk-Jan vanden, Koopmans, Marion PG
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container_issue 9
container_start_page
container_title PloS one
container_volume 9
creator Freidl, Gudrun S
Bruin, Erwin de
Beek, Janko van
Reimerink, Johan
Wit, Sjaak de
Koch, Guus
Vervelde, Lonneke
Ham, Henk-Jan vanden
Koopmans, Marion PG
description Current avian influenza surveillance in poultry primarily targets subtypes of interest for the veterinary sector (H5, H7). However, as virological and serological evidence suggest, surveillance of additional subtypes is important for public health as well as for the poultry industry. Therefore, we developed a protein microarray enabling simultaneous identification of antibodies directed against different HA-types of influenza A viruses in chickens. The assay successfully discriminated negative from experimentally and naturally infected, seropositive chickens. Sensitivity and specificity depended on the cut-off level used but ranged from 84.4% to 100% and 100%, respectively, for a cut off level of greater than or equal to 1:40, showing minimal cross reactivity. As this testing platform is also validated for the use in humans, it constitutes a surveillance tool that can be applied in human-animal interface studies.
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title Getting More Out of Less - A Quantitative Serological Screening Tool for Simultaneous Detection of Multiple Influenza A Hemagglutinin-Types in Chickens: e108043
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