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Volume 17, Number 4—April 2011

Research

Molecular Epidemiology of Coxiella burnetii from Ruminants in Q Fever Outbreak, the Netherlands

Hendrik I.J. RoestComments to Author , Robin C. Ruuls, Jeroen J.H.C. Tilburg, Marrigje H. Nabuurs-Franssen, Corné H.W. Klaassen, Piet Vellema, René van den Brom, Daan Dercksen, Willem Wouda, Marcel A.H. Spierenburg, Arco N. van der Spek, Rob Buijs, Albert G. de Boer, Peter Th.J. Willemsen, and Fred G. van Zijderveld
Author affiliations: Author affiliations: Central Veterinary Institute, part of Wageningen UR, Lelystad, the Netherlands (H.I.J. Roest, R.C. Ruuls, R. Buijs, A.G. de Boer, P.Th.J. Willemsen, F.G. van Zijderveld); Canisius Wilhelmina Hospital, Nijmegen, the Netherlands (J.J.H.C. Tilburg, M.H. Nabuurs-Franssen, C.H.W. Klaassen); Radboud University Medical Center, Nijmegen (M.H. Nabuurs-Franssen); Animal Health Service, Deventer, the Netherlands (P. Vellema, R. van den Brom, D. Dercksen, W. Wouda); Food and Consumer Product Safety Authority, The Hague, the Netherlands (M.A.H. Spierenburg, A.N. van der Spek)

Main Article

Table 1

Overview of Coxiella burnetii genotyping results for farms sampled during human Q fever outbreak, the Netherlands, 2007–2010*

Farm ID Animal species Approximate herd size Year of sampling Approximate abortions in year of sampling, % Sample type No. samples tested No. samples included in study MLVA typing results
MLVA
ID No. samples
A Dairy goats 617 2008 25 Vaginal swabs 20 9 CbNL01 7
CbNL05 1








CbNL07
1
B
Dairy goats
598
2008
20
Vaginal swabs
20
5
CbNL01
5
C
Dairy goats
546
2008
25
Vaginal swabs
20
20
CbNL01
20
D Dairy goats 1,498 2008 19 Vaginal swabs 39 7 CbNL01 6








CbNL04
1
E Dairy goats 1,568 2008 8 (2007) Fetal tissue 3 3 CbNL01 1
CbNL09 1








CbNL11
1
H Dairy goats 606 2008 80 Vaginal swabs 13 8 CbNL01 7








CbNL02
1
J Dairy goats 459 2008 None Vaginal swabs 3 3 CbNL01 2








CbNL08
1
M
Dairy goats
769
2008
None
Vaginal swabs
2
1
CbNL10
1
N Dairy goats 1,187 2009 25 Vaginal swabs 20 20 CbNL01 20





Placenta
1
1
CbNL01
1
O Dairy goats 83 2009 7 Vaginal swabs 40 16 CbNL01 14
CbNL03 1
CbNL06 1





Milk
1
1
CbNL01
1
P
Dairy goats
548
2009
10
Vaginal swabs
20
6
CbNL01
6
Q
Dairy goats
340
2009
10
Vaginal swabs
25
19
CbNL01
19
AE
Dairy goats
500
2007
>5
Placenta
1
1
CbNL12
1
AF
Dairy goats
2,000
2007
>5
Placenta
1
1
CbNL01
1
AG
Dairy goats
590
2001
>5
Paraffin-embedded placenta
1
1

1
R
Dairy cattle
70
2007
<5
Placenta
1
1
CbNL13
1
Y Dairy sheep 184 2010 None Vaginal swabs 5 1 CbNL10 1





Bulk tank milk sample
1
1
CbNL10
1
Z Sheep 2 2009 50 Placenta 1 1 CbNL01 1

*ID, identification; MLVA, multilocus variable-number tandem-repeat analysis.

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