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Volume 14, Number 1—January 2008
THEME ISSUE
International Polar Year

Dispatch

Wild Bird Influenza Survey, Canada, 2005

E. Jane Parmley*†Comments to Author , Nathalie Bastien‡, Timothy F. Booth‡, Victoria Bowes§, Peter A. Buck¶, Andre Breault#, Dale Caswell**, Pierre-Yves Daoust††‡‡, J. Chris Davies§§, Seyyed Mehdy Elahi¶¶, Madeleine Fortin##, Fred Kibenge††, Robin King***, Yan Li‡, Norman North†††, Davor Ojkic‡‡‡, John Pasick§§§, Sydney Paul Pryor¶¶¶, John Robinson§, Jean Rodrigue###, Hugh Whitney****, Patrick Zimmer††††, and Frederick A. Leighton††††
Author affiliations: *Centre for Coastal Health, Nanaimo, British Columbia, Canada; †Canadian Cooperative Wildlife Health Centre, Nanaimo, British Columbia, Canada; ‡Public Health Agency of Canada, Winnipeg, Manitoba, Canada; §British Columbia Ministry of Agriculture and Lands, Abbotsford, British Columbia, Canada; ¶Public Health Agency of Canada, Ottawa, Ontario, Canada; #Canadian Wildlife Service, Delta, British Columbia, Canada; **Canadian Wildlife Service, Winnipeg, Manitoba, Canada; ††University of Prince Edward Island, Charlottetown, Prince Edward Island, Canada; ‡‡Canadian Cooperative Wildlife Center, Charlottetown, Prince Edward Island, Canada; §§Ontario Ministry of Natural Resources, Peterborough, Ontario, Canada; ¶¶University of Montréal, St.-Hyacinthe, Québec, Canada; ##Ministère de l'Agriculture, des Pêcheries et de l'Alimentation du Québec, Québec, Québec, Canada; ***Alberta Agriculture and Food, Edmonton, Alberta, Canada; †††Canadian Wildlife Service, London, Ontario, Canada; ‡‡‡University of Guelph, Guelph, Ontario, Canada; §§§Canadian Food Inspection Agency, Winnipeg, Manitoba, Canada; ¶¶¶Canadian Wildlife Service, Edmonton, Alberta, Canada; ###Canadian Wildlife Service, Ste.-Foy, Québec, Canada; ****Newfoundland and Labrador Department of Natural Resources, St. John’s, Newfoundland and Labrador, Canada; ††††Canadian Cooperative Wildlife Centre, Saskatoon, Saskatchewan, Canada;

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Table 2

Sample sizes and RRT-PCR results for each sampling area included in the 2005 wild duck survey for influenza A viruses, Canada*

Region/area (no. sites sampled)No. valid samplesNo. M1 RRT-PCR positive (%)No. H5 RRT-PCR positive (%)†
British Columbia interior (2)
640
351 (55)
161 (25)
Alberta
Northern (6)26030 (12)0
Central (1)26225 (10)0
Southern (2)
254
22 (9)
0
Manitoba
Western (1)17521 (12)0
Central (1)17425 (10)3 (2)
Eastern (1)
175
48 (27)
1 (1)
Ontario
Southwestern (3)269135 (50)3 (1)
Southcentral (2)2311 (49)1 (4)
Central (1)4824 (50)0
Eastern (2)144103 (72)3 (2)
Northern (3)
284
66 (23)
2 (1)
Québec
Southern (5)556348 (63)28 (5)
Eastern (8)
221
32 (14)
0
Atlantic provinces‡
Northern New Brunswick (1)156 (40)0
Central New Brunswick (2)209 (20)0
New Brunswick–Nova Scotia border (10)646290 (45)6 (1)
Prince Edward Island (4)2113 (62)0
Newfoundland and Labrador (1)
73
8 (11)
0
Total4,268§1,572 (37)208 (5)

*RRT-PCR, real-time reverse transcriptase–PCR.
†All M1-positive samples were subsequently tested for H5.
‡New Brunswick, Nova Scotia, Prince Edward Island, and Newfoundland and Labrador.
§The sampling area of 8 ducks was not recorded (3 from Alberta, 1 from Ontario, 4 from Québec).

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