Details:

Alternative Title:
Emerg Infect Dis
Personal Author:
Wallensten, Anders; Munster, Vincent J.; Latorre-Margalef, Neus; Brytting, Mia; Elmberg, Johan; ... More +
Wallensten, Anders; Munster, Vincent J.; Latorre-Margalef, Neus; Brytting, Mia; Elmberg, Johan; Fouchier, Ron A.M.; Fransson, Thord; Haemig, Paul D.; Karlsson, Malin; Lundkvist, Åke; Osterhaus, Albert D.M.E.; Stervander, Martin; Waldenström, Jonas; Olsen, Björn; Less -
Description:
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.
Subject:
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Animal Migration
Animals
Animals, Wild
Avian Influenza
Disease Outbreaks
Ducks
Female
Forecasting
Influenza A Virus
Influenza In Birds
Male
Poultry Diseases
Prevalence
Research
Seasons
Sentinel Surveillance
Species Specificity
Surveillance
Sweden
Ducks
Influenza A Virus
Influenza In Birds
Research

Source:
Emerg Infect Dis. 13(3):404-411.;
Document Type:
Journal Article;
Collection(s):
Emerging Infectious Diseases
Main Document Checksum:
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urn:sha256:98e091dc61fdc3a9ee4de7a5b032b8a28112fc80f2bac845731e03ead0ec4eb3
File Type:

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