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Volume 25, Number 8—August 2019
Synopsis

Multistate Outbreak of Listeriosis Associated with Packaged Leafy Green Salads, United States and Canada, 2015–2016

Julie L. SelfComments to Author , Amanda Conrad, Steven Stroika, Alikeh Jackson, Laura Whitlock, Kelly A. Jackson, Jennifer Beal, Allison Wellman, Marianne K. Fatica, Sally Bidol, Paula Pennell Huth, Meghan Hamel, Kristyn Franklin, Lorelee Tschetter, Christine Kopko, Penelope Kirsch, Matthew E. Wise, and Colin Basler
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (J.L. Self, A. Conrad, S. Stroika, L. Whitlock, K.A. Jackson, M.E. Wise, C. Basler); US Food and Drug Administration, College Park, Maryland, USA (A. Jackson, J. Beal, A. Wellman, M.K. Fatica); Michigan Department of Health and Human Services, Lansing, Michigan, USA (S. Bidol); New York State Department of Health, New York, New York, USA (P. Pennell Huth); Public Health Agency of Canada, Ottawa, Ontario, Canada (M. Hamel, K. Franklin, L. Tschetter); Canadian Food Inspection Agency, Ottawa (C. Kopko, P. Kirsch)

Main Article

Table 3

Food isolates yielding the outbreak strain of Listeria monocytogenes, United States and Canada*

Location of packaged salad sample collection Packaged salad product Collected by
Retail store in Ohio Field greens Ohio Department of Agriculture
US processing facility Caesar FDA
US processing facility Romaine (in-process) FDA
Patient’s home Romaine Ohio Department of Health
Retail store in Canada Chopped Romaine CFIA
Retail store in Canada Caesar Salad Kit CFIA
Retail store in Canada Caesar Salad Kit CFIA
Retail store in Canada Colorful Coleslaw† CFIA

*CFIA, Canadian Food Inspection Agency; FDA, Food and Drug Administration.
†Yielded L. monocytogenes with secondary pulsed-field gel electrophoresis pattern B.

Main Article

Page created: July 16, 2019
Page updated: July 16, 2019
Page reviewed: July 16, 2019
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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