Table 3.
AIV test results in wholesale and retail markets before and after vaccination [positive rate (%)]
| Period | N | No. positive (%) | HA Subtype (%) | |||
|---|---|---|---|---|---|---|
| H5 | H7 | H9 | HA untyped | |||
| Wholesale market | ||||||
| Vaccination before | 1626 | 277 (17.04) | 48 (2.95) | 20 (1.23) | 142 (8.73) | 67 (4.12) |
| Vaccination after | 1080 | 311 (28.8) | 1 (0.09) | 0 (0) | 233 (21.57) | 77 (7.13) |
| Retail market | ||||||
| Vaccination before | 1410 | 320 (22.7) | 47 (3.33) | 44 (3.12) | 195 (13.83) | 34 (2.41) |
| Vaccination after | 1080 | 296 (27.41) | 7 (0.65) | 0 (0) | 247 (22.87) | 42 (3.89) |
| Total | 5196 | 1204 (23.17) | 103 (1.98) | 64 (1.23) | 817 (15.72) | 220 (4.23) |
N, the total number of samples; No. Positive (%), number of positive samples of influenza A virus (positive rate of influenza A virus); HA subtype (%), number of positive samples for H5/H7/H9/ HA untyped (positive rate of H5/H7/H9/ HA untyped)