Table 2.
Number of human and non-human clusters and respective associations detected per year and serovar
| No. of human clusters (n = 91) | No. of non-human clusters (n = 39) | No. of associations detected (%) (n = 23) | |
|---|---|---|---|
| Year | |||
| 2002 | 17 | 6 | 5 (29·4) |
| 2003 | 8 | 7 | 3 (37·5) |
| 2004 | 19 | 7 | 5 (26·3) |
| 2005 | 16 | 6 | 2 (12·5) |
| 2006 | 17 | 7 | 5 (29·4) |
| 2007 | 14 | 6 | 3 (21·4) |
| Serovar | |||
| S. Enteritidis | 16 | 5 | 2 (12·5) |
| S. Rissen | 21 | 9 | 8 (38·1) |
| S. Weltevreden | 16 | 8 | 5 (31·3) |
| S. Anatum | 14 | 7 | 4 (28·6) |
| S. Stanley | 16 | 8 | 4 (25) |
| S. Corvallis | 5 | 2 | 0 |
| S. Typhimurium | 3 | 0 | 0 |