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Frequency of Escherichia coli O157:H7 isolation from stool specimens
1Regional Public Health Laboratory, Ontario Ministry of Health, Timmins, Canada.
Canadian Journal of Microbiology
|October 1, 1987
Abstract:
During a 6-month period, 7252 faeces specimens were examined for Escherichia coli serotype O157:H7. Forty-nine specimens (0.7%) from 19 patients yielded this organism. Escherichia coli O157:H7 was the third most frequently isolated bacterial pathogen, following Campylobacter jejuni and (or) Salmonella sp. Although regional variation between laboratories determined whether Campylobacter jejuni or Salmonella was the primary bacterial pathogen isolated, E. coli O157:H7 was consistently isolated more frequently than either Shigella or Yersinia enterocolitica.