A hospital outbreak of salmonella food poisoning due to inadequate deep-fat frying

Evans, Meirion Rhys ORCID: https://orcid.org/0000-0003-3578-1866, Hutchings, P. G., Ribeiro, C. D. and Westmoreland, D. 2009. A hospital outbreak of salmonella food poisoning due to inadequate deep-fat frying. Epidemiology and Infection 116 (02) , pp. 155-160. 10.1017/S0950268800052389

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Abstract

In an outbreak of plasmid-free Salmonella enteritidis phage type 4 (PT4) food poisoning at a hospital for mentally handicapped people in July 1990, 101 residents and 8 staff were affected and a cohort study implicated beef rissoles cooked by deep-fat frying as the vehicle of infection (relative risk 2·92, 95% confidence interval 1·73–4·93, P 0·001). Replication of the cooking process demonstrated that the rissoles achieved core temperatures of only 48–60 °C despite external temperatures of 91–95 °C and an oil temperature of 142–154 °C. No residual food was available for microbiological testing but plasmid-containing S. enteritidis PT 4 was isolated in shell eggs from the hospital kitchen.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Medicine
Publisher:	Cambridge University Press
ISSN:	0950-2688
Last Modified:	27 Oct 2022 09:40
URI:	https://orca.cardiff.ac.uk/id/eprint/67197

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