| Provinces/Cities | Year of sampling A | Age of sheep | No. tested | No. positive | Prevalence (%) | Method B | Reference |
|---|---|---|---|---|---|---|---|
|
A Years of sampling are listed as published in the references. B IHA: indirect hemagglutination test; MAT: modified agglutination test; ELISA: enzyme-linked immunosorbent assay. |
|||||||
| Heilongjiang | 2008–2010 | Not shown | 792 | 24 | 3.0 | IHA | [37] |
| Liaoning | 2011 | At all ages | 566 | 25 | 4.4 | IHA | [43] |
| Jinzhou | 2012 | At all ages | 402 | 72 | 17.9 | MAT | [42] |
| Qinghai | 2012–2013 | Ĕ 1 year | 600 | 128 | 21.3 | ELISA | [25] |
| Yunnan | 2012–2013 | At all ages | 154 | 15 | 9.7 | IHA | [45] |
| Gansu | 2013–2014 | At all ages | 1732 | 352 | 20.3 | MAT | [44] |