TABLE 7.
Numbers of outbreak specimens tested by RT-PCR and RIDTs by season at PHOL from 1 September 2010 to 30 April 2013a
| Season(s) and RIDT result | No. of RT-PCR results |
|||||
|---|---|---|---|---|---|---|
| Influenza virus A |
Influenza virus B |
|||||
| Positive | Negative | Total | Positive | Negative | Total | |
| 2010-2011 season | ||||||
| Positive | 301 | 3 | 304 | 5 | 1 | 6 |
| Negative | 79 | 398 | 477 | 6 | 764 | 770 |
| Total | 380 | 401 | 781 | 11 | 765 | 776 |
| 2011-2012 season | ||||||
| Positive | 17 | 0 | 17 | 61 | 0 | 61 |
| Negative | 3 | 559 | 562 | 45 | 474 | 519 |
| Total | 20 | 559 | 579 | 106 | 474 | 580 |
| 2012-2013 season | ||||||
| Positive | 364 | 0 | 364 | 16 | 0 | 16 |
| Negative | 98 | 523 | 621 | 9 | 957 | 966 |
| Total | 462 | 523 | 985 | 25 | 957 | 982 |
| Overall | ||||||
| Positive | 682 | 3 | 685 | 82 | 1 | 83 |
| Negative | 180 | 1,480 | 1,660 | 60 | 2,195 | 2,255 |
| Total | 862 | 1,483 | 2,345 | 142 | 2,196 | 2,338 |
a
Outbreak specimens tested for influenza viruses A and B are not mutually exclusive. The difference in the total number of outbreak specimens tested by each method occurred because some outbreak specimens were tested only for either influenza virus A or B.