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Evaluation of an outbreak of foodborne illness initiated in the emergency department.

Abstract：

STUDY OBJECTIVES:For many foodborne outbreaks, the pathogen and food vehicle never are identified. Delayed collection of epidemiologic and microbiologic information may contribute to this. We postulated that collection of this information from ill persons as they presented to the emergency department during a recent outbreak might contribute to earlier identification of the pathogen and vehicle. DESIGN:At least 690 of 1,900 conventioneers developed gastrointestinal symptoms after attending a banquet. A questionnaire was developed to collect information on specific food histories, incubation periods, symptoms, physical findings, and demographics. These results were compared with results of investigations by the city and state departments of public health. SETTING:The ED of Rush-Presbyterian-St Luke's Medical Center, a tertiary care university hospital in Chicago, Illinois. TYPE OF PARTICIPANTS:Adults (24 men and nine women) presenting to the ED with gastrointestinal symptoms after eating a common meal. MEASUREMENTS AND MAIN RESULTS:The clinical syndrome suggested an invasive pathogen. Based on this, clinical microbiology laboratory procedures were modified (isolation plates were reviewed during the evening shift). This led to early identification of the first isolates (Salmonella enteritidis) from the outbreak. The questionnaire also narrowed the vehicle to one of two foods served. Investigations by the departments of public health subsequently identified one of these, bread pudding with a raw egg based-sauce, as the vehicle. CONCLUSION:Outbreak evaluations can begin in the ED or any other patient care facility. This evaluation need not always add significantly to the expenditure of time, manpower, or laboratory studies. The evaluation of even a small percentage of ill persons from a large outbreak may provide useful epidemiologic information and be particularly important in settings with limited public health resources.

journal_name

Ann Emerg Med

journal_title

Annals of emergency medicine

authors

Goodman LJ,Lisowski JM,Harris AA,Kerns EA,Weaver DC,Pannaralla K,Langkop CW,Biek RW

doi

10.1016/s0196-0644(05)80109-x

subject

Has Abstract

pub_date

1993-08-01 00:00:00

pages

1291-4

issue

eissn

0196-0644

issn

1097-6760

pii

S0196-0644(05)80109-X

journal_volume

pub_type

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Evaluation of an outbreak of foodborne illness initiated in the emergency department.