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Transmission of calicivirus by a foodhandler in the pre-symptomatic phase of illness

Published online by Cambridge University Press:  01 December 1999

C. GAULIN ,
M. FRIGON ,
D. POIRIER  and
C. FOURNIER
C. GAULIN
Affiliation:
Centre de santé publique de Québec 2400 rue d'Estimauville Beauport, Québec, Canada G1E 7G9
M. FRIGON
Affiliation:
Centre de santé publique de Québec 2400 rue d'Estimauville Beauport, Québec, Canada G1E 7G9
D. POIRIER
Affiliation:
Centre de santé publique de Québec 2400 rue d'Estimauville Beauport, Québec, Canada G1E 7G9
C. FOURNIER
Affiliation:
Ville de Québec, 1595 Monseigneur Plessis, Québec, Canada G1M 1A2
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Abstract

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After a Christmas party in a restaurant, 48 (68%) of the 82 guests contracted calicivirus gastroenteritis. The epidemiological investigation showed that salad was strongly associated with the disease episode (RR=2·43, P=0·0005). Similar symptoms occurred among other customers who had had a meal at the same restaurant on the same evening. A foodhandler who had only prepared salad and appetizers became sick about 30 min after the end of his shift. He had been free of symptoms while preparing food. Few outbreak investigations have shown calicivirus transmission by foodhandlers some hours before becoming symptomatic.

Type
Research Article
Information
Epidemiology & Infection , Volume 123 , Issue 3 , December 1999 , pp. 475 - 478
Copyright
© 1999 Cambridge University Press