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Surveillance of influenza A virus in migratory waterfowl in northern Europe

Wallensten, Anders ; Munster, Vincent J. ; Latorre-Margalef, Neus LU ; Brytting, Mia ; Elmberg, Johan ; Fouchier, Ron A. M. ; Fransson, Thord ; Haemig, Paul D ; Karlsson, Malin and Lundkvist, Åke , et al. (2007) In Emerging Infectious Diseases 13(3). p.404-411
Abstract
We conducted large-scale, systematic sampling of influenza type A virus in migratory waterfowl (mostly mallards [Anas platyrhynchos]) at Ottenby Bird Observatory, southeast Sweden. As with previous studies, we found a higher prevalence in fall than spring, and among juveniles compared with adults. However, in contrast to other studies, we found that prevalence in spring was sometimes high (mean 4.0%, highest 9.5%). This finding raises the possibility that ducks are capable of perpetuating influenza A virus of different subtypes and subtype combinations throughout the year and from 1 year to the next. Isolation of the H5 and H7 subtypes was common, which suggests risk for transmission to sensitive domestic animals such as poultry. We argue... (More)
We conducted large-scale, systematic sampling of influenza type A virus in migratory waterfowl (mostly mallards [Anas platyrhynchos]) at Ottenby Bird Observatory, southeast Sweden. As with previous studies, we found a higher prevalence in fall than spring, and among juveniles compared with adults. However, in contrast to other studies, we found that prevalence in spring was sometimes high (mean 4.0%, highest 9.5%). This finding raises the possibility that ducks are capable of perpetuating influenza A virus of different subtypes and subtype combinations throughout the year and from 1 year to the next. Isolation of the H5 and H7 subtypes was common, which suggests risk for transmission to sensitive domestic animals such as poultry. We argue that wild bird screening can function as a sentinel system, and we give an example of how it could have been used to forecast a remote and deadly outbreak of influenza A in poultry. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Emerging Infectious Diseases
volume
13
issue
3
pages
404 - 411
publisher
Centers for Disease Control and Prevention
external identifiers
  • wos:000244800900006
  • scopus:33847385968
ISSN
1080-6040
language
English
LU publication?
yes
id
fd67f45d-8a41-49a8-bfc0-154a705b7e0a (old id 670481)
date added to LUP
2016-04-01 16:21:46
date last changed
2022-01-28 19:12:13
@article{fd67f45d-8a41-49a8-bfc0-154a705b7e0a,
  abstract     = {{We conducted large-scale, systematic sampling of influenza type A virus in migratory waterfowl (mostly mallards [Anas platyrhynchos]) at Ottenby Bird Observatory, southeast Sweden. As with previous studies, we found a higher prevalence in fall than spring, and among juveniles compared with adults. However, in contrast to other studies, we found that prevalence in spring was sometimes high (mean 4.0%, highest 9.5%). This finding raises the possibility that ducks are capable of perpetuating influenza A virus of different subtypes and subtype combinations throughout the year and from 1 year to the next. Isolation of the H5 and H7 subtypes was common, which suggests risk for transmission to sensitive domestic animals such as poultry. We argue that wild bird screening can function as a sentinel system, and we give an example of how it could have been used to forecast a remote and deadly outbreak of influenza A in poultry.}},
  author       = {{Wallensten, Anders and Munster, Vincent J. and Latorre-Margalef, Neus and Brytting, Mia and Elmberg, Johan and Fouchier, Ron A. M. and Fransson, Thord and Haemig, Paul D and Karlsson, Malin and Lundkvist, Åke and Osterhaus, Albert D. M. E. and Stervander, Martin and Waldenström, Jonas and Olsen, Björn}},
  issn         = {{1080-6040}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{404--411}},
  publisher    = {{Centers for Disease Control and Prevention}},
  series       = {{Emerging Infectious Diseases}},
  title        = {{Surveillance of influenza A virus in migratory waterfowl in northern Europe}},
  volume       = {{13}},
  year         = {{2007}},
}