Outbreak caused by food-borne Salmonella enterica serovar enteriditis in a residential school in Perak state, Malaysia in April 2016
2018
Husna Maizura Ahmad Mahir | Raja Mohd Azim bin Raja Haron | Asiah Ayob | Venugopalan Balan | P. Raviwharmman Packierisamy
We performed epidemiologic investigations of a food poisoning (FP) outbreak that occurred in a residential school from Batang Padang district, Perak state, Malaysia in April 2016. The epidemiologic investigations showed significant association between consumption of ‘net pancakes’ (a.k.a Roti Jala, a popular Malaysian dish made with flour, coconut milk, water andeggs) and gastrointestinal symptoms experienced by the affected patients (RR: 10.5; 95% CI:2.7-40.0; p<0.0001). Salmonella enteritidis strain was isolated from the clinical samples ofaffected patients and the net pancake food sample. The isolated Salmonella enteritidis from the clinical and food samples showed >99% similarities through pulse field gel electrophoresis(PFGE) analysis. The epidemiologic, laboratory and PFGE results confirmed the source and the vehicle of contamination in the FP outbreak. The data obtained from this outbreak investigationsis important for informed policy discussions to enhance the FP prevention strategy in the residential school kitchens and canteens in Malaysia.
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