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Table 1 Isolation frequency of E. coli O157:H7 from different sample types in abattoir and butcher shops, Hawassa, southern Ethiopia

From: Occurrence of Escherichia coli O157:H7 in cattle feces and contamination of carcass and various contact surfaces in abattoir and butcher shops of Hawassa, Ethiopia

Sample source Sample type Number of samples 95% confidence interval
Examined Positive (%)
Abattoir Fecal sample 150 7 (4.7) 2.0–10.0
Carcass Swab 150 4 (2.7) 0.4–4.2
Knife swab 30 0  
Personnel hand swab 30 0  
Meat transporters cloth swab 30 0  
Butcher shops Meat sample 150 3 (2) 4.0–6.0
Butcher men hand swab 30 0  
Cutting board swab 30 1 (3.3) 0.08–17
Knife swab 30 0  
Total   630 15 (2.4) 1.3–3.9