Table 1.
Number of samples and birds tested by real-time RT-PCR and virus isolation.
| rRT-PCR | Virus Isolation | ||||||
|---|---|---|---|---|---|---|---|
| Year | Total samples tested | Total no. of birds represented | No. pos/total tested | % pos | No. pos/total tested | % of total pos | % of rRT-PCR pos for VI |
| 2005 | 443 | 888 | NAa | NA | 4/443 | 0.9 | NA |
| 2006 | 678 | 2,681 | 41/678 | 6.0 | 3/41 | 0.4 | 7.3 |
| 2007 | 1,018 | 508 | 49/1,018 | 4.8 | 2/49 | 0.2 | 4.1 |
| Total | 2,139 | 4,077 | 90/2,139 | 4.2 | 9/533 | 1.7 | 5.5b |
a. NA = not applicable
b. Only includes data from 2006 and 2007, since samples collected in 2005 were not tested by rRT-PCR