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Volume 17, Number 3—March 2011

Research

Reduction of Coxiella burnetii Prevalence by Vaccination of Goats and Sheep, the Netherlands

Lenny HogerwerfComments to Author , René van den Brom, Hendrik I.J. Roest, Annemarie Bouma, Piet Vellema, Maarten Pieterse, Daan Dercksen, and Mirjam Nielen
Author affiliations: Author affiliations: Utrecht University, Utrecht, the Netherlands (L. Hogerwerf, A. Bouma, M. Pieterse, M. Nielen); Animal Health Service, Deventer, the Netherlands (R. van den Brom, P. Vellema, D. Dercksen); Central Veterinary Institute of Wageningen UR, Lelystad, the Netherlands (H.I.J. Roest)

Main Article

Table 4

Multivariate logistic regression of prevalence of Coxiella burnetii in culled animals from 13 small ruminant herds, the Netherlands, January–April 2010*

Group Uterine fluid
Vaginal mucus
OR (95% CI) p value OR (95% CI) p value
Unvaccinated
Young 1 NA 1 NA
Old
0.44 (0.25–0.78)
<0.05

0.22 (0.08–0.64)
<0.05
Vaccinated
Young 0.005 (0.0002–0.12) <0.05 0.015 (0.0006–0.35) <0.05
Old 0.03 (0.002–0.58) <0.05 0.13 (0.006–3.01) 0.2

*A random herd effect was included. OR, odds ratio; CI, confidence interval; young, nulliparous; NA, not applicable; old, pregnant and lactating.

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