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Escherichia coli O157 isolated from carcass, hand, knife, and cutting board swabs and minced beef in central Ethiopia
| Number of positive samples/number of tested samples | |||||
|---|---|---|---|---|---|
| Sample types | Addis Ababa | Bishoftu | Batu | Holetta | Total |
| Carcass swab | 1/25 | 2/30 | 1/25 | 1/30 | 5/110 |
| Hand swab | 0/25 | 0/30 | 0/25 | 0/30 | 0/110 |
| Knife swab | 0/25 | 0/30 | 0/25 | 0/30 | 0/110 |
| Cutting board swab | 1/25 | 1/30 | 0/25 | 2/30 | 4/110 |
| Minced beef | 0/20 | 0/25 | 0/20 | 0/20 | 0/85 |
| Total | 2/120 | 3/145 | 1/120 | 3/140 | 9/525 |
