Table 2. Detection of influenza A virus RNA in lung and upper respiratory track tissues by PCR.
| Animal ID | Upper lung | Middle lung | Lower lung | Bronch LN | Trachea | Necropsy | Infection group |
|---|---|---|---|---|---|---|---|
| 82–150 | −/− | +/− | +/+ | +/+ | −/− | Day +9 | H3N2 + PBS |
| L971 | −/− | −/− | +/+ | +/+ | −/− | Day +9 | H3N2 + PBS |
| RML639 | −/− | −/− | −/+ | +/− | −/− | Day +13 | H3N2 + PBS |
| RML615 | −/− | +/− | −/− | +/+ | −/− | Day +13 | H3N2 + PBS |
| 121–236 | −/− | +/+ | +/+ | +/+ | −/− | Day +9 | H3N2 + USA300 |
| RML622 | −/− | −/− | +/+ | +/+ | −/− | Day +9 | H3N2 + USA300 |
| RML636 | −/− | −/− | +/− | +/+ | −/− | Day +13 | H3N2 + USA300 |
| RML117 | −/− | −/− | −/− | −/+ | −/− | Day +13 | H3N2 + USA300 |
| RML683 | −/− | +/− | +/+ | +/+ | −/− | Day +9 | H3N2 + USA300Δpvl |
| RML600 | −/− | −/− | +/+ | +/+ | −/− | Day +9 | H3N2 + USA300Δpvl |
| 62–249 | −/− | −/− | −/− | +/+ | −/− | Day +13 | H3N2 + USA300Δpvl |
| RML602 | +/+ | −/− | +/+ | −/− | −/+ | Day +13 | H3N2 + USA300Δpvl |
Influenza A virus RNA was detected by PCR as described in Methods. Data from two separate PCR runs were scored as positive (+) or negative (−) (each run is separated by a forward slash). Bronch LN, bronchial lymph node.