An institutional outbreak of Salmonella enteritidis in Singapore.

dc.contributor.authorNg, D Pen_US
dc.contributor.authorGoh, K Ten_US
dc.contributor.authorYeo, M Gen_US
dc.contributor.authorPoh, C Len_US
dc.date.accessioned2009-05-27T15:10:26Z
dc.date.available2009-05-27T15:10:26Z
dc.date.issued1997-03-01en_US
dc.descriptionThe Southeast Asian Journal of Tropical Medicine and Public Health.en_US
dc.description.abstractA large outbreak of food poisoning occurred in Singapore in March 1995 when a total of 188 inmates in an institution was taken ill. Salmonella enteritidis was isolated from the stool cultures of 35 inmates (16 symptomatic and 19 asymptomatic). All the isolates were of the serotype profile 0:1, 9, 12 and H:g, m (antigen phase I); all were sensitive to ampicillin, ceftriaxone, chloramphenicol, co-trimoxazole and ciprofloxacin. Plasmid profile analysis and restriction enzyme fragmentation patterns (REFPs), as generated with EcoRI and HindIII, of a 60 kb plasmid obtained from these isolates were all identical, confirming that the outbreak resulted from a single source of infection. Stratified statistical analysis of food-specific attack rates strongly implicated imported canned luncheon pork consumed by the inmates on 26 March 95 as the single most probable cause of the food poisoning [p < 10(6), Mantel-Haenszel weighted odds ratio (OR) = 14.33; 95% confidence interval (CI) = 6.20-33.15]. The median incubation period of this outbreak was 19.3 hours and the median duration of illness was three days. The outbreak was rapidly brought under control through prompt implementation of epidemic control measures which comprised active search for diarrheal cases, rectal swabbing of asymptomatic inmates, isolation of those found to be infected, and maintenance of a high standard of personal, food and environmental hygiene.en_US
dc.description.affiliationQuarantine and Epidemiology Department, Ministry of the Environment, Singapore.en_US
dc.identifier.citationNg DP, Goh KT, Yeo MG, Poh CL. An institutional outbreak of Salmonella enteritidis in Singapore. The Southeast Asian Journal of Tropical Medicine and Public Health. 1997 Mar; 28(1): 85-90en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/32105
dc.language.isoengen_US
dc.source.urihttps://www.tm.mahidol.ac.th/seameo/publication.htmen_US
dc.subject.meshDisease Outbreaksen_US
dc.subject.meshFood Microbiologyen_US
dc.subject.meshFood Servicesen_US
dc.subject.meshHumansen_US
dc.subject.meshMaleen_US
dc.subject.meshMeat Products --microbiologyen_US
dc.subject.meshMicrobial Sensitivity Testsen_US
dc.subject.meshPrisonsen_US
dc.subject.meshSalmonella Food Poisoning --epidemiologyen_US
dc.subject.meshSalmonella enteritidis --drug effectsen_US
dc.subject.meshSerotypingen_US
dc.subject.meshSingapore --epidemiologyen_US
dc.titleAn institutional outbreak of Salmonella enteritidis in Singapore.en_US
dc.typeJournal Articleen_US
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