Table 1.
Proportion of Escherichia coli (E. coli) O157:H7 from different species and/or sources with the various clusters based on the Enterobacterial Repetitive Intergenic Consensus (ERIC) Polymerase Chain Reaction (PCR) analysis. N, number of isolates with similar fingerprints/genetic profiles.
| Specie/Source | Sample Type/Site | Cluster I N = 9 | Cluster II N = 17 | Cluster III N = 2 | Cluster IV N = 6 | Cluster V N = 11 | Cluster VI N = 14 | Cluster VII N = 24 | Cluster VIII N = 11 |
|---|---|---|---|---|---|---|---|---|---|
| Cattle | Mafikeng feces | 0 | 2 | 0 | 1 | 2 | 0 | 0 | 0 |
| Mafikeng beef | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Lichtenburg feces | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | |
| Lichtenburg beef | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | |
| Koster feces | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | |
| Koster beef | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Zeerust feces | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Rustenburg feces | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Rustenburg beef | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Pigs | Mafikeng feces | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 3 |
| Mafikeng pork | 3 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | |
| Lichtenburg feces | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 4 | |
| Lichtenburg pork | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Koster feces | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | |
| Koster pork | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Zeerust feces | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | |
| Zeerust pork | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Rustenburg feces | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | |
| Rustenburg pork | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | |
| Humans | Mafikeng (feces) | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Water | Koster (Tap) | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| Koster (River) | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 |