TABLE 1.
Outbreaks on commercial farms during the 2020–2021 HPAI H5 epidemic
| Farm | Location | Poultry type | No. of birds | Virus subtype | Detection date | GISAID accession |
|---|---|---|---|---|---|---|
| 1 | Altforst | Broilers | 35.700 | HPAI H5N8 | 2020-10-29 | EPI_ISL_603132 |
| 2 | Puiflijk | Layers | 100.000 | HPAI H5N8 | 2020-11-05 | EPI_ISL_623075 |
| 3 | Lutjegast | Layers | 48.000 | HPAI H5N8 | 2020-11-10 | EPI_ISL_632319 |
| 4 | Terwolde | Pekin ducks | 20.000 | HPAI H5N8 | 2020-11-13 | EPI_ISL_641518 |
| 5 | Witmarsum | Broilers | 90.000 | HPAI H5N8 | 2020-11-21 | EPI_ISL_653920 |
| 6 | Hekendorp | Layers | 100.000 | HPAI H5N8 | 2020-11-22 | EPI_ISL_653921 |
| 7 | Maasland | Chickens | 500 | HPAI H5N8 | 2020-12-05 | EPI_ISL_693515 |
| 8 | St Annaparochie | Broilers | 21.000 | HPAI H5N8 | 2020-12-07 | EPI_ISL_710539 |
| 9 | Buitenpost | Layers | 28.000 | HPAI H5N1 | 2020-12-15 | EPI_ISL_711055 |
| 10 | Moergestel | Turkeys | 18.000 | HPAI H5N8 | 2021-01-05 | EPI_ISL_775267 |
| 11 | St Oedenrode | Layers | 35.000 | HPAI H5N8 | 2021-02-20 | EPI_ISL_1046889 |
| 12 | Weert | Turkeys | 13.000 | HPAI H5N8 | 2021-05-21 | EPI_ISL_2227275 |