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Volume 26, Number 3—March 2020
Research

Whole-Genome Sequencing to Detect Numerous Campylobacter jejuni Outbreaks and Match Patient Isolates to Sources, Denmark, 2015–2017

Katrine G. Joensen, Kristoffer Kiil, Mette R. Gantzhorn, Birgitte Nauerby, Jørgen Engberg, Hanne M. Holt, Hans L. Nielsen, Andreas M. Petersen, Katrin G. Kuhn, Gudrun Sandø, Steen Ethelberg, and Eva M. NielsenComments to Author 
Author affiliations: Statens Serum Institut, Copenhagen, Denmark (K.G. Joensen, K. Kiil, K.G. Kuhn, S. Ethelberg, E.M. Nielsen); Danish Veterinary and Food Administration, Copenhagen (M.R. Gantzhorn, B. Nauerby, G. Sandø); Slagelse Hospital, Slagelse, Denmark (J. Engberg); Odense University Hospital, Odense, Denmark (H.M. Holt); Aalborg University Hospital, Aalborg, Denmark (H.L. Nielsen); Aalborg University, Aalborg (H.L. Nielsen); Hvidovre University Hospital, Hvidovre, Denmark (A.M. Petersen)

Main Article

Figure 1

Overall phylogeny of 1,509 Camplylobacter jejuni isolates from Denmark, 2015–2017. Minimum spanning tree was based on core-genome multilocus sequence typing data. Colors indicate specific origin. Each small circle represents single isolates, and pie chart graphics represent multiple isolates with 0 allelic differences. Branch lengths represent the genetic (allelic) distances. The dataset displayed high diversity, and many genetic clusters were detected, in total 104 clusters of clinical isolates

Figure 1. Overall phylogeny of 1,509 Camplylobacter jejuni isolates from Denmark, 2015–2017. Minimum spanning tree was based on core-genome multilocus sequence typing data. Colors indicate specific origin. Each small circle represents single isolates, and pie chart graphics represent multiple isolates with 0 allelic differences. Branch lengths represent the genetic (allelic) distances. The dataset displayed high diversity, and many genetic clusters were detected, in total 104 clusters of clinical isolates (n = 366). Forty-one of these clusters matched food/animal isolates; 34 matches to food/animal isolates were detected for sporadic clinical cases.

Main Article

Page created: February 20, 2020
Page updated: February 20, 2020
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