Volume 27, Number 7—July 2021
Synopsis
Transboundary Spread of Brucella canis through Import of Infected Dogs, the Netherlands, November 2016–December 2018
Marloes A.M. van Dijk, Marc Y. Engelsma, Vanessa X.N. Visser, Ingrid Keur, Marjolijn E. Holtslag, Nicole Willems, Björn P. Meij, Peter T.J. Willemsen, Jaap A. Wagenaar, Hendrik I.J. Roest1, and Els M. Broens1
Table 2
Overview of Brucella canis–seropositive dogs identified through notifications and tracking investigations, the Netherlands, November 2016–December 2018*
| Case | Sex | Birthdate | Litter | Country of origin | Import date | Diagnosis date | Clinical diagnosis or complaint | Diagnostics |
||
|---|---|---|---|---|---|---|---|---|---|---|
| Serologic result† | Materials cultured | Isolation of B. canis | ||||||||
| 1 | Fn | 2015 Jul 1 | Romania | 2016 Feb | 2016 Nov | Discospondylitis | >1:400 | Urine, blood, intervertebral disc | Intervertebral disc | |
| 2 | Mn | 2015 Aug 13 | 1 | Romania | 2016 May | 2016 Dec | Discospondylitis | >1:400 | Urine, blood, disc | NA |
| 3 | Mn | 2015 Aug 13 | 1 | Romania | 2016 May | 2017 Apr | >1:400 | Clinical: urine; postmortem: liver, spleen, prostate, Ln. inguinalis, Ln. iliaca | Spleen, Ln. inguinalis, Ln. iliaca | |
| 4 | Mn | 2015 Aug 13 | 1 | Romania | 2016 May | 2017 Apr | >1:400 | Urine | NA | |
| 5 | Mn | 2015 Oct 1 | 2 | Bulgaria | 2016 Feb | 2016 Dec | Discospondylitis | >1:400 | Urine, blood | Blood |
| 6 | Fn | 2015 Oct 1 | 2 | Bulgaria | 2016 Feb | 2016 Dec | Discospondylitis | >1:400 | Urine, blood, synovial fluid | NA |
| 7 | Fn | 2015 Oct 1 | 2 | Bulgaria | 2016 Feb | 2017 Jan | 1:200 | NA | NA | |
| 8 | Fn | 2015 Oct 1 | 2 | Bulgaria | 2016 Feb | 2017 Jan | Discospondylitis | >1:400 | Urine, blood | Urine, blood |
| 9 | Fn | 2015 Oct 1 | 2 | Bulgaria | 2016 Feb | 2017 Jan | Discospondylitis | >1:400 | Clinical: urine; postmortem: blood, liver, spleen, kidney, lung, Ln. iliaca, intervertebral discs (3) | Urine, spleen, lung, Ln. iliaca |
| 10 | Mn | 2015 Oct 1 | 2 | Bulgaria | 2016 Feb | 2017 Jan | Discospondylitis | >1:400 | Urine, blood | Urine, blood |
| 11 | Fn | 2008 Jul 19 | Romania | 2016 Aug | 2017 Mar | Discospondylitis | 1:200 | Urine | NA | |
| 12 | F | 2015 Aug 23 | Croatia | 2015 Dec | 2017 Jun | Discospondylitis | >1:400 | Urine | Urine | |
| 13 | F | 2017 Feb 15 | 3 | Romania | 2017 Jun | 2017 Oct | Back pain | >1:400 | Urine, blood | Blood |
| 14 | Mn | 2017 Feb 15 | 3 | Romania | 2017 Jun | 2017 Nov | Neck pain | >1:400 | Urine, blood | Urine, blood |
| 15 | Mn | 2014 Dec 1 | Bulgaria | 2015 Oct | 2017 Nov | Behavioral problem | >1:400 | Urine, blood | Blood | |
| 16 | M | 2017 Jul 16 | Bulgaria | 2018 Feb | 2018 Apr | Discospondylitis | >1:400 | Urine | NA | |
| 17 | Fn | 2014 Dec 1 | Bulgaria | 2015 Sep | 2018 May | Lameness | >1:400 | Clinical: synovial fluid; postmortem: urine, blood, lung, kidney, spleen, liver, knee joints (including synovial fluids), vagina, Lnn. iliaca, Lnn. popliteus, Ln. mesenterialis | Synovial fluid (clinical sample) | |
| 18 | Mn | 2017 | Bulgaria | Unknown | 2018 Dec | Discospondylitis | >1:400 | NA | NA | |
*Fn, female neutered; Ln, lymph node; Lnn, lymph nodes; Mn, male neutered; NA, not applicable. †By 2-Mercapto-ethanol serum agglutination test.
1These senior authors contributed equally to this article.
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