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Archives of Virology
Published in: Archives of Virology 11/2015

01-11-2015 | Brief Report

Importance of molecular typing in confirmation of the source of a national hepatitis A virus outbreak in Norway and the detection of a related cluster in Germany

Authors: Bernardo R. Guzman-Herrador, Marcus Panning, Kathrine Stene-Johansen, Katrine Borgen, Margot Einöder-Moreno, Daniela Huzly, Laila Jensvoll, Heidi Lange, Sigrid Maassen, Solveig Myking, Mette Myrmel, Christoph Neumann-Haefelin, Karin Nygård, Jürgen J. Wenzel, Ann Kristin Øye, Line Vold

Published in: Archives of Virology | Issue 11/2015

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Abstract

In March 2014, after an increase of notifications of domestically acquired hepatitis A virus infections, an outbreak investigation was launched in Norway. Sequenced-based typing results showed that these cases were associated with a strain that was identical to one causing an ongoing multinational outbreak in Europe linked to frozen mixed berries. Thirty-three confirmed cases with the outbreak strain were notified in Norway from November 2013 to June 2014. Epidemiological evidence and trace-back investigations linked the outbreak to the consumption of a berry mix cake. Identification of the hepatitis A virus outbreak strain in berries from one of the implicated cakes confirmed the cake to be the source. Subsequently, a cluster in Germany linked to the cake was also identified.
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(2013) Joint ECDC-EFSA rapid outbreak assessment: Outbreak of hepatitis A virus infection in residents and travellers to Italy Stockholm: ECDC
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Metadata
Title
Importance of molecular typing in confirmation of the source of a national hepatitis A virus outbreak in Norway and the detection of a related cluster in Germany
Authors
Bernardo R. Guzman-Herrador
Marcus Panning
Kathrine Stene-Johansen
Katrine Borgen
Margot Einöder-Moreno
Daniela Huzly
Laila Jensvoll
Heidi Lange
Sigrid Maassen
Solveig Myking
Mette Myrmel
Christoph Neumann-Haefelin
Karin Nygård
Jürgen J. Wenzel
Ann Kristin Øye
Line Vold
Publication date
01-11-2015
Publisher
Springer Vienna
Published in
Archives of Virology / Issue 11/2015
Print ISSN: 0304-8608
Electronic ISSN: 1432-8798
DOI
https://doi.org/10.1007/s00705-015-2531-y

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