Table 1 Exposure characteristic of 46 confirmed cases from Zhejiang Province
From: Epidemiology of the avian influenza A (H7N9) outbreak in Zhejiang Province, China
Characteristic | Confirmed cases (n = 46) |
|---|---|
No exposure (%) | 8/38 (21.05) |
Poultry exposure history (%) | 30/38 (78.95) |
Chickens (%) | 23/30(76.67) |
Ducks (%) | 6/30 (20.00) |
Pigeons (%) | 3/30 (10.00) |
Bird (%) | 1/30 (3.33) |
Exposure frequency | Â |
Every day before onset (%) | 11(36.67) |
<3Â days before onset (%) | 6 (20.00) |
3-7 days before onset (%) | 9 (30.00) |
>7Â days before onset (%) | 4 (13.33) |
Exposure ways | Â |
Buying poultry (%) | 13 (43.33) |
Visiting poultry market (%) | 6 (20.00) |
Breeding poultry (%) | 10 (33.33) |
Killing and cleaning poultry (%) | 5 (16.67) |