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. 1989 Jun 15;140(12):1461–1464.

Foodborne gastroenteritis due to Norwalk virus in a Winnipeg hotel.

L Sekla 1, W Stackiw 1, S Dzogan 1, D Sargeant 1
PMCID: PMC1269984  PMID: 2541881

Abstract

Within 1 week four separate incidents of gastroenteritis presumed to be foodborne were reported by guests of a Winnipeg hotel. Investigation revealed poor food-handling practices and illness among the kitchen staff. Elevated bacterial counts and Escherichia coli were found in 15 of 24 samples of food tested, and Staphylococcus aureus was isolated from 2 pastry samples. Culture of 14 stool samples for bacteria yielded Clostridium perfringens in 1 sample from a staff member and coagulase-positive S. aureus in 2 samples from staff members and 3 from guests. All of the S. aureus isolates were nonenterotoxigenic and had three different phage patterns. Electron microscopy and immunoelectron microscopy revealed the prototype Norwalk virus in five (56%) of nine stool samples; four samples were from guests, and one was from a kitchen employee. The employee had had diarrhea 24 hours before the first outbreak and was thus believed to be the source of the virus infection, possibly through food handling. This is the first report of Norwalk virus isolation and the first of foodborne Norwalk virus transmission in Canada. A review of foodborne Norwalk virus infections is presented.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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