Food poisoning outbreak probably of viral etiology caused by Norwalk virus

In May 1989, a foodborne outbreak of acute gastroenteritis was identified in a state school in Adzaneta, Castellón. A dtudy was undertaken to describe it, investigate its causes, and recommend adequate control measures. Sixteen children and 2 teachers were affected (attack rate: 28.57%). Kaplan and...

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Bibliographic Details
Published inGaceta sanitaria Vol. 5; no. 25; p. 169
Main Authors Arnedo Peña, A, González Morán, F, Bellido Blasco, J, Martí Canos, J V, Safont Adsuara, L, Calvo Mas, C
Format Journal Article
LanguageSpanish
Published Spain 01.07.1991
Subjects
Adult
Child
Disease Outbreaks
Female
Foodborne Diseases - epidemiology
Gastroenteritis - epidemiology
Gastroenteritis - microbiology
Humans
Male
Middle Aged
Norwalk virus
Spain - epidemiology
Time Factors
Virus Diseases - epidemiology
Spain
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Summary:In May 1989, a foodborne outbreak of acute gastroenteritis was identified in a state school in Adzaneta, Castellón. A dtudy was undertaken to describe it, investigate its causes, and recommend adequate control measures. Sixteen children and 2 teachers were affected (attack rate: 28.57%). Kaplan and cols clinical and epidemiological criteria for Norwalk-like virus as the responsible agent were present. The probable origin of the outbreak was a foodhandler who was already ill beforehand. The examination of stools of the foodhandler and a patient showed small round structures similar to the Norwalk virus. In Spain, the number of foodborne outbreaks without known causal agent has steadily increased in recent years. It may be that this microorganism is responsible for some of these outbreaks in which, for several reasons, the causal agent cannot be identified.
ISSN:0213-9111