Table 1. Distribution of serum Leishmania antibody titers in kenneled hunting dogs, United States and Canada, 2000–2003.
| Serosurvey | IF titer* |
|||||
|---|---|---|---|---|---|---|
| 16 | 32 | 64 | 128 | 256 | >512 | |
| First serosurvey (n = 12,411) | ||||||
| Cumulative no. seroreactive | 1,667 | 736 | 267 | 190 | 133 | 81 |
| Seroprevalence (%) | 13.4 | 5.9 | 2.2 | 1.5 | 1.1 | 0.7 |
| Second serosurvey (n = 4,614) | ||||||
| Cumulative no. seroreactive | 1,033 | 511 | 195 | 134 | 99 | 62 |
| Seroprevalence (%) | 22.4 | 11.1 | 4.2 | 2.9 | 2.1 | 1.3 |
| Third serosurvey (n = 1,493) | ||||||
| Cumulative no. seroreactive | 438 | 211 | 96 | 67 | 52 | 40 |
| Seroprevalence (%) | 29.3 | 14.1 | 6.4 | 4.5 | 3.5 | 2.7 |
| Fourth serosurvey (n = 792) | ||||||
| Cumulative no. seroreactive | 262 | 141 | 79 | 58 | 51 | 38 |
| Seroprevalence (%) | 33.1 | 17.8 | 10.0 | 7.3 | 6.4 | 4.8 |
| Fifth serosurvey (n = 571) | ||||||
| Cumulative no. seroreactive | 149 | 91 | 58 | 50 | 42 | 33 |
| Seroprevalence (%) | 26.1 | 15.9 | 10.2 | 8.8 | 7.4 | 5.8 |
| Sixth serosurvey (n = 421) | ||||||
| Cumulative no. seroreactive | 115 | 76 | 50 | 42 | 37 | 29 |
| Seroprevalence (%) | 27.3 | 18.1 | 11.9 | 10.0 | 8.8 | 6.9 |
*IIF, indirect immunofluorescent assay.