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Volume 32, Number 9—September 2026

Research

Clustering and Source Association of Clinical and Nonclinical Listeria monocytogenes Isolates, New York, USA, 2000–20211

Hilal Samut, Damaris V. Mendez-Vallellanes, Hannah Hoyt, Samantha E. Wirth, Lisa Mingle, Brian D. Sauders, Gregory A. Deiulio, Alyssa W. Dickey, Maria L. Ishida, William J. Wolfgang, Kimberlee A. Musser, Martin Wiedmann, and Renato H. OrsiComments to Author 
Author affiliation: Cornell University, Ithaca, New York, USA (H. Samut, M. Wiedmann, R.H. Orsi); New York State Department of Health, Wadsworth Center, Albany, New York, USA (D.V. Mendez-Vallellanes, H. Hoyt, S.E. Wirth, L. Mingle, W.J. Wolfgang, K.A. Musser); New York State Department of Agriculture and Markets, Albany (B.D. Sauders, G.A. Deiulio, A.W. Dickey, M.L. Ishida)

Main Article

Figure 4

Sankey diagram showing the distribution of Listeria monocytogenes CCs across major food categories in study of clustering and source association of clinical and nonclinical L. monocytogenes isolates, New York, USA, 2000–2021. Only CCs with >10 food isolates are shown. Food categories with <20 isolates (e.g., produce, salad, pasta, nuts, and sandwiches) were excluded for clarity. The width of each flow is proportional to the number of isolates linked with a specific food category (bottom) and a CC (top). CC, clonal complex.

Figure 4. Sankey diagram showing the distribution of Listeria monocytogenes CCs across major food categories in study of clustering and source association of clinical and nonclinical L. monocytogenes isolates, New York, USA, 2000–2021. Only CCs with >10 food isolates are shown. Food categories with <20 isolates (e.g., produce, salad, pasta, nuts, and sandwiches) were excluded for clarity. The width of each flow is proportional to the number of isolates linked with a specific food category (bottom) and a CC (top). CC, clonal complex.

Main Article

1Preliminary results from this study were presented at the 2025 International Association for Food Protection Conference; July 27–30, 2025; Cleveland, Ohio, USA.

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