| Week | A(H1) | A(2009 H1N1) | A(H3) | A(unable to sub-type) | A(Subtyping not performed) | B | Total # Tested | % Positive |
|---|---|---|---|---|---|---|---|---|
| 40 | 0 | 3 | 69 | 0 | 10 | 77 | 4311 | 3.69 |
| 41 | 0 | 7 | 67 | 0 | 27 | 98 | 4683 | 4.25 |
| 42 | 0 | 4 | 121 | 0 | 47 | 121 | 4949 | 5.92 |
| 43 | 0 | 3 | 146 | 0 | 53 | 136 | 4842 | 6.98 |
| 44 | 0 | 4 | 179 | 0 | 75 | 147 | 5107 | 7.93 |
| 45 | 0 | 4 | 261 | 0 | 118 | 224 | 6012 | 10.1 |
| 46 | 0 | 7 | 351 | 0 | 218 | 257 | 6121 | 13.64 |
| 47 | 0 | 6 | 486 | 0 | 402 | 348 | 6696 | 18.55 |
| 48 | 0 | 14 | 813 | 0 | 499 | 447 | 7891 | 22.47 |
| 49 | 0 | 14 | 791 | 0 | 850 | 517 | 7663 | 28.34 |