Wild Bird Influenza Survey in Canada, 2005
Author Information
Author(s): Parmley E. Jane, Bastien Nathalie, Booth Timothy F., Bowes Victoria, Buck Peter A., Breault Andre, Caswell Dale, Daoust Pierre-Yves, Davies J. Chris, Elahi Seyyed Mehdy, Fortin Madeleine, Kibenge Fred, King Robin, Li Yan, North Norman, Ojkic Davor, Pasick John, Pryor Sydney Paul, Robinson John, Rodrigue Jean, Whitney Hugh, Zimmer Patrick, Leighton Frederick A.
Primary Institution: Centre for Coastal Health
Hypothesis
To provide baseline information about the strains and distribution of influenza viruses in Canadian wild ducks.
Conclusion
The survey found that 37% of sampled wild ducks tested positive for the influenza A matrix protein, and 5% tested positive for the H5 gene.
Supporting Evidence
- 37% of the sampled ducks tested positive for the influenza A matrix protein.
- 5% of the sampled ducks tested positive for the H5 gene.
- 80% of the samples were collected from ducks hatched in 2005.
- Mallards accounted for 61% of all ducks sampled.
- Sampling was conducted across 6 geographic regions in Canada.
Takeaway
Researchers checked a lot of wild ducks in Canada to see if they had a type of flu, and many of them did.
Methodology
Single cloacal swabs were collected from wild ducks across Canada and tested using real-time reverse transcriptase–PCR.
Potential Biases
Sampling was biased towards young, healthy ducks, particularly mallards, which may affect the reported prevalence.
Limitations
The data may not represent true infection prevalence due to targeted sampling of young, healthy ducks.
Participant Demographics
Ducks were sampled from various regions in Canada, with a focus on mallards and other duck species.
Digital Object Identifier (DOI)
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