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Seroprevalence of Brucella sp. (B. abortus or B. Melitensis) in dairy cattle in northern Ecuador by vaccination status
| Vaccine status | Cattle tested | No. positive | Apparent prevalence % (95% CI) | True prevalence % (95% CI) |
|---|---|---|---|---|
| Vaccinated | 727 | 46 | 6.3 (4.8–8.3) | 8.3 (6.0–11.1) |
| Unvaccinated | 1,383 | 31 | 2.2 (1.6–3.2) | 2.6 (1.6–3.8) |
| Unknown | 451 | 65 | 14.4 (11.5–18.0) | 19.5 (15.2–24.4) |
| Total | 2,561 | 142 | 5.5 (4.7–6.5) | 7.2 (6.0–8.5) |
