Table 1.
Characteristics of studies that included abattoir and slaughterhouse workers.
| Author (Year) | Outbreak | Country | Setting | Size (n) | Seropositive | Prevalence (%) | Lab method |
|---|---|---|---|---|---|---|---|
| Gilroy [17] | Yes | Australia | Abattoir | 68 | 29 | 43 | CFT |
| Abebe [1] | No | Ethiopia | Abattoir | 465 | 30 | 6.5 | CFT |
| Adesiyun [2] | No | Trinidad | Abattoir | 85 | 4 | 4.7 | ELISA |
| Khalili [24] | No | Iran | Slaughterhouse | 75 | 51 | 68 | ELISA |
| Marrie [27] | No | Canada | Slaughterhouse | 96 | 12 | 12.5 | CFT |
| Esmaeili [14] | No | Iran | Slaughterhouse | 190 | 43 | 22.5 | ELISA |
| Aflatoonian [3] | No | Iran | Slaughterhouse | 64 | 5 | 7.8 | ELISA |
| Perez-Trallero [33] | No | Spain | Slaughterhouse | 36 | 33 | 91.7 | IFA |
| Berktaş [7] | No | Turkey | Slaughterhouse | 41 | 27 | 65.9 | ELISA |
| Htwe [21] | No | Japan | Abattoir | 107 | 12 | 11.2 | IFA |
| CDC [44] | Yes | USA | Abattoir | 42 | 19 | 45.2 | CFT |
| Beech [45] | Yes | Australia | Abattoir | 516 | 50 | 9.7 | CFT |
| Schnurrenberger [46] | No | USA | Abattoir | 2091 | 104 | 5 | CFT |
| Schonell [47] | No | UK | Abattoir | 96 | 21 | 28.1 | CFT |
| Riemann [48] | No | Brazil | Abattoir | 144 | 42 | 29 | AGGLUTINATION |
| McKelvie [30] | Yes | Australia | Abattoir | 139 | 22 | 15.8 | CFT |
| CDNANZ [49] | Yes | Australia | Abattoir | 100 | 18 | 18 | CFT |
| Donaghy [11] | Yes | UK | Abattoir | 228 | 49 | 21.5 | NA |
| Wilson [42] | Yes | UK | Slaughterhouse | 179 | 75 | 41.9 | IFA |
| Berktaş [7] | No | Turkey | Butcher house | 77 | 33 | 42.9 | ELISA |
Note: CFT = Complement Fixation Test, IFA = Immunofluorescence Assay, and ELISA = Enzyme-Linked Immunosorbent Assay. NA refers to Not Available.