Table 2.
The quantity of viral RNA in oropharyngeal swabs (OS), nasal turbinates (NT), trachea (T), and lungs (L) collected at 3, 6, and 10 dpi from mice infected with H9N2 isolates
| Isolate | Sample | 3 dpi | 6 dpi | 10 dpi | |||
|---|---|---|---|---|---|---|---|
| pos/tested1 | Mean (± SD)b | pos/testeda | Mean (± SD)b | pos/testeda | Mean (± SD)b | ||
| A/ty/PL/08/14 | OS | 8/13 | 1.5 × 101 (± 2.0 × 101) | 1/10 | 3.1 (± 9.8) | 1/7 | 4.36 (± 11.5) |
| NT | 3/3 | 1.1 × 102 (± 1.4 × 102) | 3/3 | 2.0 × 101 (± 5.1) | 0/3 | – | |
| T | 3/3 | 8.3 × 104 (± 1.2 × 105) | 3/3 | 1.6 × 103 (± 1.7 × 103) | 1/3 | 4.5 (± 7.8) | |
| L | 3/3 | 1.7 × 104 (± 1.3 × 104) | 3/3 | 2.5 × 104 (± 2.4 × 104) | 2/3 | 60.2 (± 83.9) | |
| A/ty/PL/09/14 | OS | 6/13 | 2.1 × 101 (± 3.7 × 101) | 1/10 | 0.82 (± 2.6) | 1/7 | 5.29 (± 13.98) |
| NT | 2/3 | 5.1 (± 4.6) | 2/3 | 6.32 (± 5.56) | 0/3 | – | |
| T | 3/3 | 1.7 × 104 (± 2.8 × 104) | 3/3 | 2.1 × 102 (± 3.3 × 102) | 0/3 | – | |
| L | 3/3 | 7.7 × 103 (± 9.0 × 103) | 3/3 | 7.7 × 103 (± 1.3 × 104) | 1/3 | 17.88 (± 30.97) | |
aNumber of positive samples/number of tested samples
beqEID50 per 0.1 g of tissue or 1 ml of swab medium; SD—standard deviation