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Volume 26, Number 3—March 2020

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


Genetic clusters of Campylobacter isolates with matches between clinical isolates and food/animal isolates, Denmark, 2015–2017

Possible source No. clusters with clinical isolates (1, 2–4, >5 isolates) Total no. clinical isolates in clusters Total no. cluster isolates
Domestic cattle
8 (5, 2, 1)
Imported chicken meat
10 (5, 5, 0)
Domestic chicken/broiler 55 (24, 16, 15) 192 322
Chicken meat* 13 (4, 4, 5) 69 89
Broiler 21 (14, 6, 1) 37 62
Chicken meat and/or broiler
21 (6, 6, 9)
Dog (domestic)
1 (0, 1, 0)
Chicken (imported) + turkey (imported) + broiler (domestic)
1 (0, 0, 1)
Total 75 (34, 24, 17) 233 389

*One cluster included a C. jejuni isolate from a dog.

Main Article

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