Table 2.
Summary of USUV-positive samples originating from free-living or captive birds (*), including spatiotemporal data
| Host | Sample collection | USUV + (n) | ||
|---|---|---|---|---|
| Order | Species | Date | Location | |
| Passeriformes | White wagtail | 12 Aug | Masovian Voivodeship | 1 |
| Eurasian blackcap | 17 Aug | Masovian Voivodeship | 1 | |
| 10 Sep | West Pomeranian Voivodeship | 1 | ||
| Song thrush | 27 Sep | West Pomeranian Voivodeship | 1 | |
| Eurasian chaffinch | 28 Sep | Pomeranian Voivodeship | 1 | |
| Common blackbird |
27 Sep 22–26 Oct |
West Pomeranian Voivodeship | 3 | |
| 6 Oct | Lublin Voivodeship | 2 | ||
| Eurasian wren | 6 Oct | West Pomeranian Voivodeship | 1 | |
| Hooded crow | early Oct | Masovian Voivodeship | 1 | |
| Goldcrest | 17–31 Oct | West Pomeranian Voivodeship | 9 | |
| 5 Nov | Pomeranian Voivodeship | 1 | ||
| Common redpoll | 8–9 Nov | Pomeranian Voivodeship | 2 | |
| Eurasian jay | 22 Nov | Kuyavian-Pomeranian Voivodeship | 1 | |
| Anseriformes | Mallard | 19 Jul | Silesian Voivodeship | 2 |
| 24 Jul | Lublin Voivodeship | 2 | ||
| Mute swan | 25 Jul | Podlaskie Voivodeship | 1 | |
| Bar-headed goose* | early Oct | Masovian Voivodeship | 2 | |
| Charadriiformes | Common sandpiper | 15 Aug | Masovian Voivodeship | 1 |
| Falconiformes | Eurasian hobby | 12 Oct | Lubuskie Voivodeship | 1 |
| Total number of USUV-positive bird samples | 34 | |||