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 samples | No. M1 RRT-PCR positive (%) | No. H5 RRT-PCR positive (%)† |
---|---|---|---|
British Columbia interior (2) |
640 |
351 (55) |
161 (25) |
Alberta | |||
Northern (6) | 260 | 30 (12) | 0 |
Central (1) | 262 | 25 (10) | 0 |
Southern (2) |
254 |
22 (9) |
0 |
Manitoba | |||
Western (1) | 175 | 21 (12) | 0 |
Central (1) | 174 | 25 (10) | 3 (2) |
Eastern (1) |
175 |
48 (27) |
1 (1) |
Ontario | |||
Southwestern (3) | 269 | 135 (50) | 3 (1) |
Southcentral (2) | 23 | 11 (49) | 1 (4) |
Central (1) | 48 | 24 (50) | 0 |
Eastern (2) | 144 | 103 (72) | 3 (2) |
Northern (3) |
284 |
66 (23) |
2 (1) |
Québec | |||
Southern (5) | 556 | 348 (63) | 28 (5) |
Eastern (8) |
221 |
32 (14) |
0 |
Atlantic provinces‡ | |||
Northern New Brunswick (1) | 15 | 6 (40) | 0 |
Central New Brunswick (2) | 20 | 9 (20) | 0 |
New Brunswick–Nova Scotia border (10) | 646 | 290 (45) | 6 (1) |
Prince Edward Island (4) | 21 | 13 (62) | 0 |
Newfoundland and Labrador (1) |
73 |
8 (11) |
0 |
Total | 4,268§ | 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).