| RT-PCR | qRT-PCR | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Sampling dates |  | |||||||||||
Sample | May/08 | June/08 | July/08 | Aug/08 | Sep/08 | Oct/08 | Nov/08 | Dec/08 | Jan/09 | Feb/09 | Mar/09 | Oct/09 | |
 |  |  |  |  |  |  |  |  |  |  | Ct values | Copy number | |
Blood | + | + | + | + | + | - | - | - | - | - | - | No | No |
Nasal | + | + | + | + | + | + | + | + | + | + | + | 16.56 | 1.67 × 10 7 |
Blood | + | + | + | + | + | + | + | - | - | - | - | No | No |
Nasal | + | + | + | + | + | + | + | + | + | + | - | No | No |
Blood | + | + | + | + | + | - | - | - | - | - | - | No | No |
Nasal | + | + | + | + | + | + | + | + | + | + | + | 16.5 | 1.75 × 107 |
Blood | + | + | + | + | + | + | + | + | + | + | - | 35.62 | 1.27 × 101 |
Nasal | + | + | + | + | + | + | + | + | + | + | + | 16.35 | 1.95 × 107 |
Blood | + | + | + | - | - | - | - | - | - | - | - | No | No |
Nasal | + | + | + | + | + | + | + | + | + | + | - | No | No |
Blood | + | + | + | + | + | + | + | + | + | - | - | No | No |
Nasal | + | + | + | + | + | + | + | + | + | + | + | 29.84 | 9.08 × 102 |