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Peer-reviewed veterinary case report

Is the prevalence and shedding concentrations of E. coli O157 in beef cattle in Scotland seasonal?

Journal:
FEMS microbiology letters
Year:
2004
Authors:
Ogden, Iain D et al.
Affiliation:
Department of Medical Microbiology · United Kingdom

Abstract

The prevalence of Escherichia coli O157 in Scottish beef cattle at abattoir was found to be greater during the cooler months [11.2% (95% CI, 8.4-13.9%)] compared to the warmer months [7.5% (95% CI, 5.4-9.6%)]; the reverse of seasonality of human infections. However, high shedding beef cattle (excreting 10(-4) g(-1)) appear to shed greater concentrations of E. coli O157 in the warmer months which may partly explain increased human infection seasonality at this time.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/15063499/