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Internationally Distributed Frozen Oyster Meat Causing Multiple Outbreaks of Norovirus Infection in Australia.

Webby, Rosalind; Carville, Kylie Sandover; Kirk, Martyn D; Greening, Gail; Ratcliff, Rod M; Crerar, S.K; Dempsey, Karen; Sarna, Minda; Stafford, Russell; Patel, Mahomed; Hall, Gillian

Description

Background. Between November 2003 and January 2004, outbreaks of norovirus in 3 Australian jurisdictions involving 83 cases of illness were associated with imported oyster meat. Methods. Cohort studies were conducted in 2 jurisdictions to identify relative risks of illness for the consumption of oysters. A case series was conducted in the third jurisdiction. Results. The cohort studies conducted in the first 2 jurisdictions identified relative risks of illness of 17 (95% confidence interval,...[Show more]

dc.contributor.authorWebby, Rosalind
dc.contributor.authorCarville, Kylie Sandover
dc.contributor.authorKirk, Martyn D
dc.contributor.authorGreening, Gail
dc.contributor.authorRatcliff, Rod M
dc.contributor.authorCrerar, S.K
dc.contributor.authorDempsey, Karen
dc.contributor.authorSarna, Minda
dc.contributor.authorStafford, Russell
dc.contributor.authorPatel, Mahomed
dc.contributor.authorHall, Gillian
dc.date.accessioned2015-12-08T22:41:59Z
dc.identifier.issn1058-4838
dc.identifier.urihttp://hdl.handle.net/1885/36885
dc.description.abstractBackground. Between November 2003 and January 2004, outbreaks of norovirus in 3 Australian jurisdictions involving 83 cases of illness were associated with imported oyster meat. Methods. Cohort studies were conducted in 2 jurisdictions to identify relative risks of illness for the consumption of oysters. A case series was conducted in the third jurisdiction. Results. The cohort studies conducted in the first 2 jurisdictions identified relative risks of illness of 17 (95% confidence interval, 5-51) and 35 (95% confidence interval, 5-243), respectively, for the consumption of oysters. Multiple strains of norovirus were detected in fecal specimens from 8 of 14 patients and in 1 of the 3 batches of implicated oyster meat using seminested reverse-transcriptase polymerase chain reaction methods. Traceback investigations revealed that all oyster meat was harvested from the same estuary system in Japan within the same month. Conclusions. These outbreaks demonstrate the potential of foodborne disease to spread internationally and the need for national and international collaboration to investigate such outbreaks. Foodborne illness related to norovirus is underestimated because of underreporting of human cases and challenges in laboratory detection of viruses in foods, both of which can delay public health action.
dc.publisherUniversity of Chicago Press
dc.sourceClinical Infectious Diseases
dc.subjectKeywords: animal; article; Australia; classification; communicable disease; epidemic; food contamination; food control; gastroenteritis; genetics; human; male; Norovirus; oyster; virology; virus infection; cohort analysis; estuary; food freezing; food organism; inf
dc.titleInternationally Distributed Frozen Oyster Meat Causing Multiple Outbreaks of Norovirus Infection in Australia.
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume44
dc.date.issued2007
local.identifier.absfor111706 - Epidemiology
local.identifier.ariespublicationu3962038xPUB142
local.type.statusPublished Version
local.contributor.affiliationWebby, Rosalind, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationCarville, Kylie Sandover, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationKirk, Martyn D, Commonwealth Department of Health and Ageing
local.contributor.affiliationGreening, Gail, Institute of Environmental Science and Research
local.contributor.affiliationRatcliff, Rod M, Institute of Medical and Veterinary Science
local.contributor.affiliationCrerar, S.K, New Zealand Food Safety Authority
local.contributor.affiliationDempsey, Karen, Centre for Disease Control (NT - OzFoodNet)
local.contributor.affiliationSarna, Minda, WA Department of Health
local.contributor.affiliationStafford, Russell, Queensland Health (OzFoodNet)
local.contributor.affiliationPatel, Mahomed, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationHall, Gillian, College of Medicine, Biology and Environment, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.issue8
local.bibliographicCitation.startpage1026
local.bibliographicCitation.lastpage31
local.identifier.doi10.1086/512807
dc.date.updated2015-12-08T10:31:54Z
local.identifier.scopusID2-s2.0-33947508698
CollectionsANU Research Publications

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