Oyster-associated outbreaks of Norovirus gastroenteritis in Singapore

Outbreaks of gastroenteritis associated with the consumption of raw imported half-shelled frozen oysters occurred in Singapore between 16 Dec 2003 and 04 Jan 2004. A total of 305 cases were reported with clinical symptoms of diarrhoea (94%), abdominal cramps (72%), vomiting (69%) and fever (54%). Th...

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Bibliographic Details
Published in:The Journal of infection 2005-12, Vol.51 (5), p.413-418
Main Authors: Ng, T.L., Chan, P.P., Phua, T.H., Loh, J.P., Yip, R., Wong, C., Liaw, C.W., Tan, B.H., Chiew, K.T., Chua, S.B., Lim, S., Ooi, P.L., Chew, S.K., Goh, K.T.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Animals
Biological and medical sciences
Case-Control Studies
Child
Disease Outbreaks
Epidemilogical investigation
Female
Gastroenteritis - epidemiology
Gastroenteritis - virology
General aspects
Half-shelled frozen served raw
Human viral diseases
Humans
Infectious diseases
Male
Medical sciences
Middle Aged
Norovirus
Norovirus - isolation & purification
Ostreidae - virology
Outbreaks
Oyster related gastroenteritis
PCR and EM positive results
Public health measures
Shellfish Poisoning
Singapore - epidemiology
Vibrio parahaemolyticus
Viral diseases
Viral diseases of the digestive system
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Summary:Outbreaks of gastroenteritis associated with the consumption of raw imported half-shelled frozen oysters occurred in Singapore between 16 Dec 2003 and 04 Jan 2004. A total of 305 cases were reported with clinical symptoms of diarrhoea (94%), abdominal cramps (72%), vomiting (69%) and fever (54%). The median incubation period was 30.8 h and the duration of illness was 2–3 days. The overall relative risk of oyster consumption was 14.1 (95% CI: 8.3–24.0, P
ISSN:0163-4453
1532-2742
DOI:10.1016/j.jinf.2004.11.003