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Does influenza A virus infection affect movement behaviour during stopover in its wild reservoir host?
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2016 (English)In: The Royal Society, ISSN 2054-5703, Vol. 3, no 2, UNSP 150633Article in journal (Refereed) Published
Abstract [en]

The last decade has seen a surge in research on avian influenza A viruses (IAVs), in part fuelled by the emergence, spread and potential zoonotic importance of highly pathogenic virus subtypes. The mallard (Anas platyrhynchos) is the most numerous and widespread dabbling duck in the world, and one of the most important natural hosts for studying IAV transmission dynamics. In order to predict the likelihood of IAV transmission between individual ducks and to other hosts, as well as between geographical regions, it is important to understand how IAV infection affects the host. In this study, we analysed the movements of 40 mallards equipped with GPS transmitters and three-dimensional accelerometers, of which 20 were naturally infected with low pathogenic avian influenza virus (LPAIV), at a major stopover site in the Northwest European flyway. Movements differed substantially between day and night, as well as between mallards returning to the capture site and those feeding in natural habitats. However, movement patterns did not differ between LPAIV infected and uninfected birds. Hence, LPAIV infection probably does not affect mallard movements during stopover, with high possibility of virus spread along the migration route as a consequence.

Place, publisher, year, edition, pages
2016. Vol. 3, no 2, UNSP 150633
Keyword [en]
avian influenza A virus; effect of infection; mallard; movement; stopover; transmission
National Category
Ecology Infectious Medicine Cell and Molecular Biology
URN: urn:nbn:se:uu:diva-281074DOI: 10.1098/rsos.150633ISI: 000377969000024OAI: oai:DiVA.org:uu-281074DiVA: diva2:912702
Swedish Research Council, 2010-3067 2010-5399 2011-3568Swedish Research Council Formas, 2009-1220Swedish Environmental Protection Agency
Available from: 2016-03-17 Created: 2016-03-17 Last updated: 2016-07-25Bibliographically approved

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Olsen, Björn
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