Document Detail


Outbreak of Salmonella Potsdam associated with salad dressing at a restaurant.
MedLine Citation:
PMID:  15508506     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Between 27 January and 7 February 2002, 12 cases of Salmonella Potsdam infection were notified to NSW Health of which nine were residents of the Hunter Health Area. Interviews with two cases notified by two local doctors initiated the investigation and revealed exposure to foods from the same restaurant (restaurant A). All New South Wales S. Potsdam cases, those accompanying cases to restaurant A and people from restaurant A booking lists were interviewed. Of the 34 people interviewed, 17 met the case definition. The epidemiological investigation did not detect a food source of S. Potsdam infection, however, shell egg-based Caesar salad dressing and mayonnaise, and a swab of a cap from a mayonnaise bottle collected at restaurant A tested positive for S. Potsdam. Environmental and laying hen feed samples from the egg supplier to restaurant A and meat meal, (the major component of laying hen feed) tested positive for various Salmonella serotypes. The investigation identified problems of inadequate cleaning, time-temperature abuse, and ignorance of the hazardous nature of raw shell eggs at the restaurant level, poor sanitation and a lack of hygiene inspections at the egg production level, and problems with cleaning, storage and lack of bacterial monitoring of final product at the animal rendering plant. Investigation of 12 notified cases of Salmonella resulted in public health interventions, which likely prevented further cases of foodborne disease due to Salmonella and other pathogens in the Hunter Health Area and elsewhere in New South Wales.
Authors:
Leanne Unicomb; Phillip Bird; Craig Dalton
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Communicable diseases intelligence quarterly report     Volume:  27     ISSN:  1447-4514     ISO Abbreviation:  Commun Dis Intell Q Rep     Publication Date:  2003  
Date Detail:
Created Date:  2004-10-28     Completed Date:  2004-11-16     Revised Date:  2013-10-29    
Medline Journal Info:
Nlm Unique ID:  101601804     Medline TA:  Commun Dis Intell Q Rep     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  508-12     Citation Subset:  IM    
Affiliation:
OzFoodNet Site Epidemiologist, Hunter Public Health Unit, New South Wales. lunic@doh.health.nsw.gov.au
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MeSH Terms
Descriptor/Qualifier:
Disease Outbreaks*
Eggs / microbiology
Food Microbiology
Humans
New South Wales / epidemiology
Restaurants
Salmonella / classification,  isolation & purification
Salmonella Food Poisoning / epidemiology*,  etiology,  microbiology,  prevention & control

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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