TABLE 3.
Organizations that provided influenza A virus surveillance data from migratory waterfowl in North America between 1976 and 2015 displayed by subtyping method and season of sample collection
| Organization | No. summer | No. fall | No. winter | No. spring | No. grand total (% of total samples) |
|---|---|---|---|---|---|
| The Ohio State University (OSU) | |||||
| Negative IAV | 3,416 | 18,201 | 8,159 | 917 | 30,693 (39.37) |
| Positive IAV | 368 | 1,098 | 221 | 12 | 1,699 (2.18) |
| Antigenic characterization | 162 | 433 | 56 | 11 | 662 |
| Genomic characterization | 206 | 665 | 165 | 1 | 1,037 |
| OSU Total | 3,784 | 19,299 | 8,380 | 929 | 32,392 (41.54) |
| St. Jude Children's Research Hospital (SJ) | |||||
| Negative IAV | 12,294 | 256 | 347 | 12,897 (16.54) | |
| Positive IAV | 3,547 | 78 | 1 | 3,626 (4.65) | |
| Antigenic characterization | 2,736 | 53 | 1 | 2,790 | |
| Genomic characterization | 709 | 23 | 732 | ||
| Both required | 102 | 2 | 104 | ||
| SJ Total | 15,841 | 334 | 348 | 16,523 (21.19) | |
| The University of Georgia (UGA) | |||||
| Negative IAV | 3,662 | 16,834 | 1,095 | 4,361 | 25,952 (33.29) |
| Positive IAV | 542 | 2,325 | 32 | 203 | 3,102 (3.98) |
| Antigenic characterization | 14 | 94 | 6 | 2 | 116 |
| Genomic characterization | 528 | 2,212 | 26 | 201 | 2,967 |
| Both required | 19 | 19 | |||
| UGA Total | 4,204 | 19,159 | 1,127 | 4,564 | 29054 (37.26) |
| Grand Totals | 23,829 | 38,792 | 9,507 | 5,841 | 77,969 (100) |