Table 1.
Seroprevalence of anti-HEV antibodies in rabbits of Portugal according to region, date of collection, sex and age
| Variable | Categories | No. Positives/ no. Analysed | Seroprevalence (%) (95% CI) | P-value |
|---|---|---|---|---|
| Presence of HEV anti-IgG | - | 5/205 | 2.44 (0.80–5.60) | - |
| Region | Serpa | 0/30 | 0 | 0.497 |
| Benavente | 3/58 | 5.17 (1.08–14.38) | ||
| Alpiarça | 0/27 | 0 | ||
| Mértola | 0/5 | 0 | ||
| Noudar | 2/85 | 2.35 (80.29–8.24) | ||
| Date of collection | 2018 | 1/70 | 1.43 (0.04–7.70) | 0.806 |
| 2019 | 1/24 | 4.17 (0.11–21.12) | ||
| 2020 | 3/151 | 1.99 (0.41–5.70) | ||
| 2021 | 0/13 | 0 | ||
| Sexa | Female | 3/114 | 2.63 (0.55–7.50) | 1.000 |
| Male | 2/89 | 2.25 (0.27–7.88) | ||
| Age | Adult | 4/159 | 2.52 (0.69–6.32) | 1.000 |
| Juvenile | 1/46 | 2.17 (0.05–11.53) |
aTwo rabbits were only captured once and due to a field error, their sex was not recorded