TABLE 1.
Isolates included in the analyses in this study from each geographic location by migratory season (April to March)d
| Country | State or province | Categoryc | No. of isolates |
|||
|---|---|---|---|---|---|---|
| 2008–2009 | 2009–2010 | 2010–2011 | Total | |||
| USA | Alaska | O | 99 | 234 | 184 | 517 |
| Arkansas | S | 0 | 7 | 3 | 10b | |
| California | O | 97 | 27 | 39 | 163 | |
| Delaware | O | 0 | 58 | 2 | 60 | |
| Illinois | N | 7 | 23 | 34 | 64a | |
| Indiana | N | 3 | 4 | 2 | 9a | |
| Iowa | N | 0 | 4 | 14 | 18a | |
| Louisiana | S | 3 | 5 | 0 | 8 | |
| Michigan | N | 0 | 0 | 2 | 2a | |
| Minnesota | N | 130 | 36 | 2 | 168 | |
| Mississippi | S | 6 | 15 | 18 | 39a | |
| Missouri | S | 0 | 8 | 27 | 35a | |
| New Jersey | O | 27 | 71 | 0 | 98 | |
| North Dakota | O | 15 | 6 | 0 | 21 | |
| Ohio | N | 5 | 8 | 7 | 20a | |
| South Dakota | O | 2 | 0 | 0 | 2 | |
| Texas | O | 0 | 7 | 0 | 7 | |
| Wisconsin | N | 11 | 42 | 54 | 107a | |
| Canada | Alberta | O | 7 | 7 | 0 | 14 |
| Manitoba | O | 0 | 0 | 2 | 2 | |
| New Brunswick | O | 1 | 28 | 120 | 149 | |
| Newfoundland | O | 9 | 0 | 0 | 9 | |
| Nova Scotia | O | 0 | 4 | 48 | 52 | |
| Nunavet | O | 0 | 0 | 1 | 1 | |
| Prince Edward Island | O | 0 | 5 | 11 | 16 | |
| Quebec | O | 0 | 4 | 5 | 9 | |
| Guatemala | Unknown | O | 0 | 3 | 10 | 13 |
| Total | 422 | 606 | 585 | 1,613 | ||
a
Influenza A virus isolates collected and sequenced in this study.
b
Three of the 10 influenza A virus isolates were collected in this study.
c
Discrete categories were given to the isolates and used in the Slatkin and Maddison and discrete phylogeographic analyses. N, North; S, South; O, other.
d
The AIVs presented here represent isolates collected during this study or supplemented from the IRD/GenBank with at least five sequenced segments.