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Figure 2 | BMC Microbiology

Figure 2

From: Temporal and spatial patterns of bovine Escherichia coli O157 prevalence and comparison of temporal changes in the patterns of phage types associated with bovine shedding and human E. coliO157 cases in Scotland between 1998-2000 and 2002-2004

Figure 2

Distribution of prevalence of E. coli serogroup O157 on positive farms. Bars represent observed prevalence in faecal pats sampled from the SEERAD survey (black, n = 952 farms; n = 207 E. coli O157 positive) and IPRAVE survey (grey, n = 481 farms; n = 91 E. coli O157 positive).

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