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Table 2 Prevalence of E. coli O157:H7 from various samples collected at processing plants, retail markets and health centers in Ethiopia

From: Prevalence of Escherichia coli O157:H7 in beef cattle at slaughter and beef carcasses at retail shops in Ethiopia

Sample source Sample type No. of sample Examined No. of positive % Positive (95% CIa)
Processing plants Fecal sample 370 7 1.89 (0.92, 3.85)
Skin swab 370 2 0.54 (0.15, 1.95)
Intestinal mucosal swab 370 3 0.81 (0.28, 2.26)
Carcass internal swab 370 2 0.54 (0.15, 1.95)
Carcass external swab 370 0 0
Environmental swabs 62 0 0
Retail shops Carcass 125 1 0.8 (0.14, 4.39)
Hands 125 0 0
Cutting board 125 1 0.8 (0.14, 4.39)
Knife 125 0 0
Health centers Stool 70 0 0
  1. aConfidence interval