Volume 17, Number 3—March 2011
Research
Reduction of Coxiella burnetii Prevalence by Vaccination of Goats and Sheep, the Netherlands
Lenny Hogerwerf
, René van den Brom, Hendrik I.J. Roest, Annemarie Bouma, Piet Vellema, Maarten Pieterse, Daan Dercksen, and Mirjam Nielen
, René van den Brom, Hendrik I.J. Roest, Annemarie Bouma, Piet Vellema, Maarten Pieterse, Daan Dercksen, and Mirjam Nielen
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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