Table 3.
Number of feral swine serum samples testing positive for six serovars of Leptospira interrogans by titre and apparent antibody prevalence of each serovar
| Serovar (n = 642) | Titre | |||||||
|---|---|---|---|---|---|---|---|---|
| 100 | 200 | 400 | 800 | 1600 | 3200 | ⩾6400 | % positive (95% CI) | |
| Bratislava | 51 | 57 | 51 | 22 | 12 | 0 | 4 | 30·7 (27·2–34·4) |
| Canicola | 29 | 21 | 8 | 2 | 2 | 0 | 0 | 9·7 (7·6–12·2) |
| Grippotyphosa | 24 | 13 | 8 | 4 | 3 | 4 | 4 | 9·4 (7·3–11·9) |
| Hardjo | 11 | 15 | 3 | 1 | 2 | 0 | 0 | 5·0 (3·6–7·0) |
| Icterohaemorrhagiae | 92 | 58 | 10 | 2 | 2 | 0 | 1 | 25·7 (22·5–29·2) |
| Pomona | 18 | 19 | 12 | 15 | 9 | 7 | 7 | 13·6 (11·1–16·4) |
CI, confidence interval.