Table 3.

Prevalence of E. coli O157: H7 by sample types and species of animals examined

Sample Type	Number of samples
	Goats			Sheep			Total
	Examined	Positives (%)	95% CI	Examined	Positives (%)	95% CI	Examined	Positives (%)	95% CI
Fecal	32	0 (0)	0–0	40	4 (10.0)	−0.39- 20.39	72	4 (5.6)	2.9–10.91
Skin Swab	32	3 (9.4)	−0.71-19.51	40	2 (5.0)	−2.55- 12.55	72	5 (6.9)	1.05–12.75
Mucosal Swab	32	0 (0)	0–0	40	6 (15.0)	2.63–27.37	72	6 (8.3)	1.93–14.67
Carcass outside	32	2 (6.2)	−2.16- 14.56	40	1 (2.5)	−2.91- 7.91	72	3 (4.2)	−0.43-8.83
Carcass inside	32	0 (0)	0–0	40	1 (2.5)	−2.91- 7.91	72	1 (1.4)	− 1.31- 4.11
Knife							12	1 (4.2)	−0.43- 8.83

CI Confidence interval