Table 1. Detection of avian influenza virus in tissue/swab samples from foxes and gulls, Northern Ireland, July 2023 (n = 4).
| Sample source | Sample type | Avian influenza virus rRT-PCR results | |||||
|---|---|---|---|---|---|---|---|
| M gene | HP H5 gene | N1 gene | |||||
| Ct value | Result | Ct value | Result | Ct value | Result | ||
| Fox 1 | Nasal swaba | 24.02 | Positive | 24.86 | Positive | 25.53 | Positive |
| Fox 2 | Nasal swaba | 25.58 | Positive | 27.02 | Positive | 27.39 | Positive |
| Fox 1 | Oropharyngeal swab | 24.12 | Positive | 25.78 | Positive | 27.22 | Positive |
| Fox 2 | Oropharyngeal swab | 24.77 | Positive | 26.19 | Positive | 26.93 | Positive |
| Fox 1 and 2 (pooled) | Brain | 18.73 | Positive | 20.01 | Positive | 20.77 | Positive |
| Fox 1 and 2 (pooled) | Respiratory tissues | 21.98 | Positive | 21.13 | Positive | 21.83 | Positive |
| Fox 1 and 2 (pooled) | Intestines | 28.48 | Positive | 26.67 | Positive | 28.68 | Positive |
| Fox 1 and 2 (pooled) | Viscera | 26.13 | Positive | 23.91 | Positive | 25.26 | Positive |
| Gull 1 | Respiratory tissuesa | 28.03 | Positive | 28.46 | Positive | 29.52 | Positive |
| Gull 2 | Respiratory tissuesa | 21.07 | Positive | 21.78 | Positive | 22.64 | Positive |
| Gull 1 | Intestines | 27.98 | Positive | 27.93 | Positive | 29.35 | Positive |
| Gull 2 | Intestines | 28.04 | Positive | 28.38 | Positive | 29.43 | Positive |
| Gull 1 | Viscera | 28.26 | Positive | 28.87 | Positive | 30.13 | Positive |
| Gull 2 | Viscera | 25.79 | Positive | 25.73 | Positive | 25.83 | Positive |
| Gull 1 and 2 (pooled) | Brain | 21.70 | Positive | 23.09 | Positive | 23.15 | Positive |
a Samples selected for whole genome sequencing.