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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Veröffentlicht in:	The Journal of infection 2005-12, Vol.51 (5), p.413-418
Hauptverfasser:	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:	Artikel
Sprache:	eng
Schlagworte:	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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Zusammenfassung:	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