Table 1 Outcomes during different surveilled stages of influenza surveillance system in Changsha City, China
Sentinel hospitals | Stages | Surveilled patients | ILI | ILI% | Number of tested specimens | Number of positive | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
H3N2 | H1N1 | H1N1pdm | A (untyped) | B | H5N1 | H5N6 | H7N9 | H9N2 | Total | ||||||
Hospital A | 1 | 8203 | 188 | 2.29 | 30 | 0 | 1 | NA | 0 | 0 | 0 | NA | NA | 0 | 1 |
2 | 123,731 | 2100 | 1.70 | 721 | 53 | 20 | NA | 0 | 8 | 0 | NA | NA | 0 | 81 | |
3 | 503,835 | 17,190 | 3.41 | 2692 | 47 | 31 | 188 | 59 | 64 | 0 | NA | NA | 0 | 389 | |
4 | 379,441 | 10,014 | 2.64 | 641 | 41 | 0 | 31 | 0 | 12 | 0 | NA | 1 | 0 | 85 | |
5 | 1,163,601 | 66,779 | 5.74 | 3534 | 178 | 0 | 124 | 1 | 202 | 0 | 1 | 0 | 2 | 508 | |
Total | 2,178,811 | 96,271 | 4.42 | 7618 | 319 | 52 | 343 | 60 | 286 | 0 | 1 | 1 | 2 | 1064 | |
Hospital B | 1 | 7754 | 452 | 5.83 | 29 | 0 | 1 | NA | 0 | 0 | 0 | NA | NA | 0 | 1 |
2 | 177,460 | 2089 | 1.18 | 596 | 50 | 30 | NA | 0 | 1 | 0 | NA | NA | 0 | 81 | |
3 | 479,086 | 13,045 | 2.72 | 2626 | 58 | 52 | 171 | 46 | 73 | 0 | NA | NA | 0 | 400 | |
4 | 174,345 | 2382 | 1.37 | 651 | 43 | 0 | 30 | 0 | 8 | 0 | NA | 0 | 0 | 81 | |
5 | 534,461 | 11,837 | 2.21 | 3393 | 151 | 0 | 66 | 0 | 172 | 0 | 0 | 0 | 0 | 389 | |
Total | 1,373,106 | 29,805 | 2.17 | 7295 | 302 | 83 | 267 | 46 | 254 | 0 | 0 | 0 | 0 | 952 | |
Total | 1 | 15,957 | 640 | 8.12 | 59 | 0 | 2 | NA | 0 | 0 | 0 | NA | NA | 0 | 2 |
2 | 301,191 | 4189 | 2.87 | 1317 | 103 | 50 | NA | 0 | 9 | 0 | NA | NA | 0 | 162 | |
3 | 982,921 | 30,235 | 6.13 | 5318 | 105 | 83 | 359 | 105 | 137 | 0 | NA | NA | 0 | 789 | |
4 | 553,786 | 12,396 | 4.01 | 1292 | 84 | 0 | 61 | 0 | 20 | 0 | NA | 1 | 0 | 166 | |
5 | 1,698,062 | 78,616 | 7.95 | 6927 | 329 | 0 | 190 | 1 | 374 | 0 | 1 | 0 | 2 | 897 | |
| Â | Total | 3,551,917 | 126,076 | 3.55 | 14,913 | 621 | 135 | 610 | 106 | 540 | 0 | 1 | 1 | 2 | 2016 |