Table 3.
Estimated pooled seroprevalence of Brucella spp. by country and region worldwide.
| Countries | No. studies | Region | No. tested | No. positive | % Prevalence | % (95% CI) |
|---|---|---|---|---|---|---|
| Australia | 2 | Oceania | 321 | 16 | 6.0% | 0.5–16.0 |
| Belgium | 1 | Europe | 1,168 | 641 | 54.9% | 52.0–57.7 |
| Brazil | 1 | America | 271 | 254 | 93.7% | 90.5–96.3 |
| China | 89 | Asia | 319,589 | 1,193 | 0.3% | 0.2–0.5 |
| Croatia | 3 | Europe | 124,296 | 1,374 | 3.5% | 1.3–6.8 |
| Egypt | 1 | Africa | 331 | 36 | 10.9% | 7.7–14.5 |
| Finland | 1 | Europe | 280 | 0 | 0.0% | 0.0–0.6 |
| Germany | 1 | Europe | 763 | 168 | 22.0% | 19.2–25.0 |
| India | 1 | Asia | 575 | 236 | 41.0% | 37.1–45.1 |
| Italy | 5 | Europe | 5,328 | 915 | 22.6% | 6.7–44.3 |
| Spain | 1 | Europe | 204 | 121 | 59.3% | 52.5–66.0 |
| Latvia | 1 | Europe | 1,044 | 235 | 22.5% | 20.0–25.1 |
| Sweden | 1 | Europe | 286 | 0 | 0.0% | 0.0–0.6 |
| Switzerland | 1 | Europe | 252 | 121 | 48.0% | 41.9–54.2 |
| Uganda | 2 | Africa | 3,330 | 3 | 0.1% | 0.0–0.2 |
| USA | 8 | America | 2,299 | 128 | 8.7% | 2.0–19.2 |
| Total | 119 | 460,337 | 5,441 | 2.1% | 1.6–2.6 |