Table 3 Culture positive indigenous human E. coli O157 cases with known phage-type results reported to HPS during the periods equivalent the SEERAD (March 1998-May 2000; n = 793 days; n = 468 cases) and IPRAVE surveys (February 2002-February 2004); n = 734 days; n = 323 cases).

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