Occurrence of Listeria monocytogenes in Counter-Sliced Turkey Meat Samples from Independent Delis in New York City.

Journal of Food Protection
Sana MujahidJames E Rogers

Abstract

Research suggests that small, independent delicatessens are less likely to follow proper sanitation procedures, including slicer inspection, which could lead to a higher likelihood of these delis being a reservoir for Listeria monocytogenes growth and cross-contamination. This study was undertaken to determine the incidence of L. monocytogenes in counter-sliced turkey deli meat obtained from independent delis in an urban city. Deli meat, counter-sliced on site, was collected from 118 independent delis in New York City. The samples were analyzed for L. monocytogenes using the U.S. Department of Agriculture Microbiology Laboratory Guidebook methodology for isolation and confirmation. The selection criteria for delis included using the city's restaurant inspection and grading system. Two samples, from separate delis, were confirmed as positive for L. monocytogenes (1.69%). Analysis of the genomic sequences of one of the samples revealed a close match to a cluster of six clinical isolates, which were part of an ongoing multistate listeriosis outbreak spanning four states. The sequence of the second isolate matched a clinical isolate in a neighboring state. Both isolates were obtained from delis that did not have the top inspection ...Continue Reading

References

Jun 22, 2016·Genome Biology·Brian D OndovAdam M Phillippy
Apr 12, 2018·Journal of Food Protection·Lauren E LipcseiDanny Ripley

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