Table 1 Virus isolation from poultry and environmental samples collected on four epidemiologically linked farms
From: Poultry farms as a source of avian influenza A (H7N9) virus reassortment and human infection
Site | Collection date | Sample species | Sample types | Sample number | FluA positive | Virus isolation | |
---|---|---|---|---|---|---|---|
H7N9 | H9N2 | ||||||
1 | Feb 20–Feb 21 | Ck | O | 18 | 9 | 5 | 2 |
 |  |  | C | 17 | 0 | 0 | 0 |
 |  |  | O/C | 1 | 1 | 1 | 0 |
 |  | Gs | O | 1 | 1 | 0 | 0 |
 |  | Tk | O | 1 | 1 | 0 | 0 |
 |  | Env | F | 25 | 1 | 0 | 0 |
 |  |  | W | 8 | 3 | 0 | 1 |
 |  |  | Cs | 13 | 7 | 0 | 0 |
2 | Feb 24–Feb 25 | Env | Swabs | 7 | 4 | 0 | 0 |
 |  |  | Cs | 4 | 0 | 0 | 0 |
 |  |  | F | 4 | 0 | 0 | 0 |
3 | Feb 22 | Ck | O | 6 | 0 | 0 | 0 |
 |  |  | C | 6 | 0 | 0 | 0 |
 |  | Env | F | 88 | 0 | 0 | 0 |
 |  |  | Cs | 63 | 0 | 0 | 0 |
 |  |  | S | 2 | 0 | 0 | 0 |
4 | Feb 21 | Ck | O | 3 | 0 | 0 | 0 |
 |  |  | C | 3 | 0 | 0 | 0 |
 |  | Env | F | 5 | 0 | 0 | 0 |
 |  |  | Cs | 4 | 0 | 0 | 0 |
Total | Â | Â | Â | 279 | 27 | 6 | 3 |