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.
Subjects:
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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
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
Download URL:
https://stacks.cdc.gov/view/cdc/16537/cdc_16537_DS1.pdf
File Type:

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